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Organism
  Plantae
   Viridiplantae
     Streptophyta
     Embryophyta
      Tracheophyta
        Polypodiophytina
            Polypodiopsida
                   [Arthropsida]
                   [Equisetopsida]
                   [Eusporangiopsida]
                   [Filicopsida]
                   [Marattiopsida]
                   [Psilopsida]
                   [Psilotopsida]
              Ophioglossidae
                     [Psilotidae]
                    Ophioglossales
                            Ophioglossaceae
                                   [Botrychiaceae]
                                   [Helminthostachyaceae]
                                     Botrychium
                                             Botrychium acuminatum
                                             Botrychium alaskense
                                               Botrychium alaskense var. pavlovii
                                             Botrychium angustisegmentum
                                             Botrychium anthemoides
                                             Botrychium argutum
                                             Botrychium arisanense
                                             Botrychium ascendens
                                             Botrychium atrovirens
                                             Botrychium australe
                                               Botrychium australe subsp. negeri
                                               Botrychium australe var. erosum
                                               Botrychium australe var. millefolium
                                             Botrychium baeckeanum
                                             Botrychium biforme
                                             Botrychium biternatum
                                                   [Botrychium dissectum var. tenuifolium]
                                             Botrychium boreale
                                                   [Botrychium boreale subsp. boreale]
                                             Botrychium brachystachys
                                             Botrychium brevifolium
                                             Botrychium breynii
                                             Botrychium campestre
                                               Botrychium campestre var. lineare
                                             Botrychium chamaeconium
                                             Botrychium charcoviense
                                             Botrychium crassinervium
                                               Botrychium crassinervium var. obtusilobum
                                             Botrychium crenulatum
                                                   [Botrychium dusenii]
                                             Botrychium cuneatum
                                             Botrychium decurrens
                                             Botrychium dichronum
                                             Botrychium dissectum
                                                   [Botrychium dissectum var. obliquum]
                                                   [Botrychium dissectum var. oblongifolium]
                                                   [Botrychium obliquum var. elongatum]
                                                   [Botrychium obliquum]
                                                   [Sceptridium dissectum]
                                                   Botrychium dissectum f. confusum
                                                   Botrychium dissectum f. elongatum
                                                   Botrychium dissectum f. obliquum
                                                   Botrychium dissectum f. oblongifolium
                                                   Botrychium dissectum f. oneidense
                                               Botrychium dissectum var. dissectum
                                               Botrychium dissectum var. elongatum
                                             Botrychium echo
                                             Botrychium elegans
                                             Botrychium erosum
                                             Botrychium formosanum
                                             Botrychium fumariae
                                             Botrychium fumarianum
                                             Botrychium fumarioides
                                               Botrychium fumarioides var. dissectum
                                             Botrychium gallicomontanum
                                             Botrychium hesperium
                                                   [Botrychium lunaria subsp. occidentale]
                                                   [Botrychium matricariifolium subsp. hesperium]
                                                   [Botrychium matricariifolium var. hesperium]
                                             Botrychium japonicum
                                               Botrychium japonicum var. minus
                                               Botrychium japonicum var. silvicola
                                             Botrychium jenmanii
                                                   [Botrychium alabamense]
                                             Botrychium kannenbergii
                                                   Botrychium kannenbergii f. compositum
                                             Botrychium lanceolatum
                                               Botrychium lanceolatum subsp. angustisegmentum
                                                     [Botrychium lanceolatum var. angustisegmentum]
                                               Botrychium lanceolatum subsp. lanceolatum
                                                     [Botrychium lanceolatum subsp. typicum]
                                                     [Botrychium lanceolatum var. lanceolatum]
                                               Botrychium lanceolatum var. lanceolatum
                                             Botrychium leptostachyum
                                             Botrychium lineare
                                             Botrychium longipedunculatum
                                             Botrychium longistipitatum
                                             Botrychium lunaria
                                                   [Botrychium lunaria var. onondagense]
                                                   [Botrychium onondagense]
                                                   [Botrypus lunaria]
                                                   [Osmunda lunaria]
                                                   Botrychium lunaria f. alatum
                                                   Botrychium lunaria f. alpina
                                                   Botrychium lunaria f. incisum
                                                   Botrychium lunaria f. minganense
                                                   Botrychium lunaria f. onondagense
                                                   Botrychium lunaria f. subbipinnatum
                                                   Botrychium lunaria f. subincisum
                                               Botrychium lunaria subsp. alpina
                                               Botrychium lunaria subsp. matricariifolium
                                               Botrychium lunaria var. antarctica
                                               Botrychium lunaria var. boreale
                                               Botrychium lunaria var. cordatum
                                               Botrychium lunaria var. dusenii
                                               Botrychium lunaria var. matricariifolium
                                               Botrychium lunaria var. melzeri
                                               Botrychium lunaria var. przevalskii
                                               Botrychium lunaria var. rutaceum
                                               Botrychium lunaria var. simplex
                                               Botrychium lunaria var. tripartitum
                                             Botrychium lunarioides
                                                   [Sceptridium lunarioides]
                                               Botrychium lunarioides var. daedaleum
                                               Botrychium lunarioides var. dissectum
                                               Botrychium lunarioides var. obliquum
                                             Botrychium lunaroides
                                             Botrychium lunatum
                                             Botrychium manshuricum
                                             Botrychium matricariifolium
                                                   [Botrychium neglectum]
                                                   [Botrychium ramosum]
                                                   Botrychium matricariifolium f. gracile
                                                   Botrychium matricariifolium f. rhombeum
                                               Botrychium matricariifolium subsp. patagonicum
                                               Botrychium matricariifolium var. lanceolatum
                                               Botrychium matricariifolium var. rhombeum
                                               Botrychium matricariifolium var. tenebrosum
                                             Botrychium matricarioides
                                             Botrychium michiganense
                                             Botrychium microphyllum
                                             Botrychium millefolium
                                             Botrychium minganense
                                                   [Botrychium lunaria subsp. minganense]
                                                   [Botrychium lunaria var. minganense]
                                             Botrychium minus
                                             Botrychium modestum
                                             Botrychium montanum
                                             Botrychium mormo
                                             Botrychium negeri
                                             Botrychium neolunaria
                                             Botrychium nipponicum
                                               Botrychium nipponicum var. minus
                                             Botrychium nordicum
                                             Botrychium officinale
                                             Botrychium oneidense
                                                   [Botrychium dissectum var. oneidense]
                                                   [Botrychium multifidum var. oneidense]
                                                   [Sceptridium oneidense]
                                             Botrychium pallidum
                                             Botrychium palmatum
                                               Botrychium palmatum subsp. angustisegmentum
                                             Botrychium paradoxum
                                             Botrychium parvifolium
                                               Botrychium parvifolium var. parvum
                                             Botrychium parvum
                                             Botrychium pedunculosum
                                             Botrychium pinnatum
                                                   [Botrychium boreale subsp. obtusilobum]
                                                   [Botrychium boreale var. obtusilobum]
                                             Botrychium pseudopinnatum
                                             Botrychium pseudoternatum
                                             Botrychium pulchrum
                                             Botrychium pumicola
                                             Botrychium pusillum
                                             Botrychium reuteri
                                             Botrychium robustum
                                                   [Botrychium multifidum var. robustum]
                                             Botrychium rugulosum
                                                   [Botrychium ternatum]
                                             Botrychium rutaceum
                                               Botrychium rutaceum var. lanceolatum
                                             Botrychium rutifolium
                                               Botrychium rutifolium var. robustum
                                             Botrychium silesiacum
                                             Botrychium silvicola
                                             Botrychium simplex
                                                   [Botrychium simplex subsp. simplex]
                                                   [Botrychium simplex subsp. typicum]
                                                   [Botrychium simplex var. compositum]
                                                   [Botrychium simplex var. fontanum]
                                                   [Botrychium simplex var. laxifolium]
                                                   [Botrychium simplex var. simplex]
                                                   [Botrychium simplex var. tenebrosum]
                                                   [Botrychium tenebrosum]
                                                   Botrychium simplex f. laxifolium
                                               Botrychium simplex subsp. kannenbergii
                                               Botrychium simplex var. compositum
                                               Botrychium simplex var. cordatum
                                               Botrychium simplex var. simplex
                                                     [Botrychium simplex subsp. simplex]
                                             Botrychium socorrense
                                             Botrychium spathulatum
                                             Botrychium strictum
                                             Botrychium subbifoliatum
                                                   [Sceptridium subbifoliatum]
                                             Botrychium subcarnosum
                                             Botrychium sutchuanense
                                             Botrychium tenellum
                                             Botrychium tenuifolium
                                             Botrychium tolucaense
                                             Botrychium triangularifolium
                                             Botrychium tunux
                                             Botrychium underwoodianum
                                             Botrychium virginianus
                                               Botrychium virginianus subsp. europaeus
                                             Botrychium yaaxudakeit
                                             Botrychium yunnanense
                                             Botrychium zeylanicum
                                             Botrychium × watertonense
                                     Botryopteris
                                             Botryopteris crenata
                                             Botryopteris mexicana
                                     Botrypus
                                             Botrypus chamaeconium
                                             Botrypus cicutaria
                                             Botrypus decurrens
                                             Botrypus lanuginosus
                                               Botrypus lanuginosus subsp. leptostachys
                                               Botrypus lanuginosus var. nepalensis
                                             Botrypus lunarioides
                                             Botrypus parvus
                                             Botrypus strictus
                                             Botrypus tibeticus
                                             Botrypus virginianus
                                                   [Botrychium virginianum subsp. virginianum]
                                                   [Botrychium virginianum var. virginianum]
                                                   [Botrychium virginianum]
                                                   [Japanobotrychium virginianum]
                                                   [Osmunda virginiana]
                                                   [Osmundopteris virginiana]
                                               Botrypus virginianus subsp. europaeus
                                               Botrypus virginianus subsp. virginianus
                                                     [Botrychium cicutarium]
                                                     [Botrychium gracile]
                                             Botrypus yunnanensis
                                     Cheiroglossa
                                             Cheiroglossa austrobrasiliensis
                                             Cheiroglossa louisii
                                             Cheiroglossa malgassica
                                             Cheiroglossa palmata
                                                   [Ophioglossum palmatum]
                                               Cheiroglossa palmata var. malgassica
                                     Gymnogramma
                                             Gymnogramma abyssinica
                                             Gymnogramma acrostichoides
                                             Gymnogramma acuminata
                                             Gymnogramma acuminatum
                                             Gymnogramma adiantoides
                                             Gymnogramma affinis
                                             Gymnogramma alismifolia
                                             Gymnogramma alpina
                                             Gymnogramma alstonii
                                             Gymnogramma amaurophylla
                                             Gymnogramma ambigua
                                             Gymnogramma ampla
                                             Gymnogramma andersonii
                                             Gymnogramma anfractuosa
                                             Gymnogramma angustifrons
                                             Gymnogramma appendiculata
                                             Gymnogramma arbensis
                                             Gymnogramma argentea
                                               Gymnogramma argentea var. aurea
                                               Gymnogramma argentea var. madagascarica
                                             Gymnogramma arifolia
                                             Gymnogramma ascensionis
                                             Gymnogramma aspidioides
                                             Gymnogramma asplenioides
                                             Gymnogramma attenuata
                                             Gymnogramma aurantiaca
                                                   Gymnogramma aurantiaca f. decolorata
                                             Gymnogramma aurea
                                             Gymnogramma aureo-nitens
                                             Gymnogramma auriculatum
                                             Gymnogramma aurita
                                               Gymnogramma aurita var. levingei
                                             Gymnogramma avenia
                                             Gymnogramma axillaris
                                             Gymnogramma baileyi
                                             Gymnogramma balliviani
                                             Gymnogramma biardii
                                             Gymnogramma bidentata
                                             Gymnogramma bifurcatum
                                             Gymnogramma billardieri
                                             Gymnogramma blumei
                                             Gymnogramma bogotensis
                                             Gymnogramma bommeri
                                             Gymnogramma borneensis
                                               Gymnogramma borneensis var. major
                                             Gymnogramma brackenridgei
                                             Gymnogramma brownii
                                             Gymnogramma brunoniana
                                             Gymnogramma caeciliae
                                             Gymnogramma calomelanos
                                                   Gymnogramma calomelanos f. epruinata
                                                   Gymnogramma calomelanos f. flavofarinosa
                                                   Gymnogramma calomelanos f. peruviana
                                                   Gymnogramma calomelanos f. sulphurea
                                                   Gymnogramma calomelanos f. tartarea
                                               Gymnogramma calomelanos var. chrysophylla
                                               Gymnogramma calomelanos var. denudata
                                               Gymnogramma calomelanos var. farinosa
                                               Gymnogramma calomelanos var. martensii
                                               Gymnogramma calomelanos var. ochracea
                                               Gymnogramma calomelanos var. peruviana
                                               Gymnogramma calomelanos var. tartarea
                                             Gymnogramma candida
                                             Gymnogramma canescens
                                             Gymnogramma cantoniensis
                                             Gymnogramma capensis
                                             Gymnogramma caracasana
                                             Gymnogramma cartilagidens
                                             Gymnogramma caudata
                                             Gymnogramma caudiformis
                                             Gymnogramma ceratolepis
                                               Gymnogramma ceratolepis var. atirrense
                                             Gymnogramma ceterach
                                             Gymnogramma chaerophylla
                                               Gymnogramma chaerophylla var. cryptogrammoides
                                             Gymnogramma cheilanthoides
                                             Gymnogramma cheilosora
                                             Gymnogramma chiapensis
                                             Gymnogramma chilensis
                                             Gymnogramma chrysoconia
                                             Gymnogramma chrysophylla
                                               Gymnogramma chrysophylla var. laucheana
                                             Gymnogramma chrysophyllum
                                             Gymnogramma chrysosora
                                             Gymnogramma ciliata
                                             Gymnogramma cinnamomea
                                             Gymnogramma cominsii
                                             Gymnogramma congesta
                                             Gymnogramma conspersa
                                             Gymnogramma cordata
                                               Gymnogramma cordata var. bipinnata
                                               Gymnogramma cordata var. namaquensis
                                               Gymnogramma cordata var. subbipinnata
                                             Gymnogramma cordreyi
                                             Gymnogramma cubensis
                                             Gymnogramma cyclophylla
                                             Gymnogramma dayi
                                             Gymnogramma dealbata
                                             Gymnogramma decipiens
                                             Gymnogramma decurrens
                                             Gymnogramma decurrentialata
                                             Gymnogramma decussata
                                             Gymnogramma delavayi
                                             Gymnogramma digitata
                                             Gymnogramma diplazioides
                                             Gymnogramma donii
                                             Gymnogramma edulis
                                             Gymnogramma eggersii
                                             Gymnogramma ehrenbergiana
                                               Gymnogramma ehrenbergiana var. muralis
                                             Gymnogramma elaphoglossoides
                                             Gymnogramma elegantissima
                                             Gymnogramma elliptica
                                             Gymnogramma elongata
                                             Gymnogramma expansa
                                             Gymnogramma extensa
                                             Gymnogramma falcata
                                             Gymnogramma farinifera
                                             Gymnogramma fauriei
                                             Gymnogramma feei
                                             Gymnogramma felipponei
                                             Gymnogramma fendleri
                                             Gymnogramma ferruginea
                                               Gymnogramma ferruginea var. lanata
                                             Gymnogramma filipendulifolia
                                             Gymnogramma finlaysoniana
                                             Gymnogramma flabellata
                                             Gymnogramma flavens
                                             Gymnogramma flexuosa
                                               Gymnogramma flexuosa var. peruviana
                                             Gymnogramma fraxinea
                                               Gymnogramma fraxinea var. pilosa
                                             Gymnogramma gigantea
                                             Gymnogramma glaberrima
                                             Gymnogramma glabra
                                             Gymnogramma glandulosa
                                             Gymnogramma glaziovii
                                             Gymnogramma glutinosa
                                             Gymnogramma goudotii
                                             Gymnogramma gracilis
                                               Gymnogramma gracilis var. consimilis
                                             Gymnogramma grammitoides
                                             Gymnogramma griffithii
                                             Gymnogramma guianensis
                                             Gymnogramma haematodes
                                             Gymnogramma hamiltoniana
                                             Gymnogramma haughtonii
                                             Gymnogramma henryi
                                             Gymnogramma herzogii
                                             Gymnogramma heterocarpa
                                             Gymnogramma heterophlebia
                                             Gymnogramma heyderi
                                             Gymnogramma hirsutula
                                             Gymnogramma hirta
                                             Gymnogramma hispidula
                                             Gymnogramma hookeri
                                             Gymnogramma hybrida
                                             Gymnogramma imbricata
                                             Gymnogramma immersa
                                             Gymnogramma insignis
                                             Gymnogramma involuta
                                             Gymnogramma iridifolia
                                             Gymnogramma jamesonii
                                             Gymnogramma japonica
                                             Gymnogramma jimenezii
                                             Gymnogramma karstenii
                                             Gymnogramma kunzei
                                             Gymnogramma kupperi
                                             Gymnogramma lanata
                                             Gymnogramma lanceolata
                                             Gymnogramma laserpitiifolia
                                             Gymnogramma laucheana
                                             Gymnogramma laxa
                                             Gymnogramma lechleri
                                             Gymnogramma lehmannii
                                             Gymnogramma leptophylla
                                               Gymnogramma leptophylla var. pinnata
                                             Gymnogramma levingei
                                             Gymnogramma lindigii
                                             Gymnogramma linkiana
                                             Gymnogramma lobbiana
                                             Gymnogramma longifolia
                                             Gymnogramma longipes
                                             Gymnogramma longipetiolata
                                             Gymnogramma longisora
                                             Gymnogramma lorentzii
                                             Gymnogramma lowei
                                             Gymnogramma macrophylla
                                             Gymnogramma macrotis
                                             Gymnogramma maingayi
                                             Gymnogramma makinoi
                                             Gymnogramma marantae
                                             Gymnogramma marginata
                                             Gymnogramma martensii
                                             Gymnogramma massonii
                                             Gymnogramma mathewsii
                                             Gymnogramma mayoris
                                             Gymnogramma membranacea
                                             Gymnogramma mexicana
                                             Gymnogramma microcarpon
                                             Gymnogramma microphylla
                                             Gymnogramma microphylloides
                                             Gymnogramma mohriaeformis
                                             Gymnogramma mollissima
                                             Gymnogramma muelleri
                                             Gymnogramma myriophylla
                                             Gymnogramma namaquensis
                                             Gymnogramma nivea
                                             Gymnogramma novae-zealandiae
                                             Gymnogramma obtusata
                                             Gymnogramma obtusifolia
                                             Gymnogramma ochracea
                                             Gymnogramma opaca
                                             Gymnogramma oppositans
                                             Gymnogramma orbignyana
                                             Gymnogramma ornithopteris
                                             Gymnogramma ottonis
                                             Gymnogramma pallescens
                                             Gymnogramma palmata
                                             Gymnogramma papaverifolia
                                             Gymnogramma parsonsii
                                             Gymnogramma patula
                                             Gymnogramma paucifolia
                                             Gymnogramma pearcei
                                             Gymnogramma pedata
                                             Gymnogramma pentaphylla
                                             Gymnogramma peruviana
                                             Gymnogramma petroselinifolia
                                             Gymnogramma philippinensis
                                             Gymnogramma pilosa
                                               Gymnogramma pilosa var. major
                                             Gymnogramma pinnata
                                               Gymnogramma pinnata var. brachysora
                                             Gymnogramma pinnatifida
                                             Gymnogramma plicata
                                             Gymnogramma podophylla
                                             Gymnogramma polypodioides
                                             Gymnogramma portoricensis
                                             Gymnogramma pothifolia
                                             Gymnogramma pozoi
                                               Gymnogramma pozoi var. papaverifolia
                                               Gymnogramma pozoi var. rutifolia
                                             Gymnogramma prehensibilis
                                             Gymnogramma procera
                                             Gymnogramma procurrens
                                             Gymnogramma prolifera
                                             Gymnogramma pteridiformis
                                             Gymnogramma pteroides
                                             Gymnogramma pulchella
                                             Gymnogramma pumila
                                             Gymnogramma quinata
                                             Gymnogramma raddiana
                                             Gymnogramma recurvata
                                             Gymnogramma refracta
                                             Gymnogramma regnelliana
                                               Gymnogramma regnelliana var. megaspora
                                             Gymnogramma regularis
                                             Gymnogramma reniformis
                                             Gymnogramma retrofracta
                                             Gymnogramma rhizophylla
                                             Gymnogramma robusta
                                             Gymnogramma rosea
                                             Gymnogramma rotundifolia
                                             Gymnogramma rufa
                                             Gymnogramma rufescens
                                             Gymnogramma ruiziana
                                             Gymnogramma rupestris
                                             Gymnogramma rutifolia
                                               Gymnogramma rutifolia var. hispanica
                                             Gymnogramma sadlerioides
                                             Gymnogramma sagittata
                                             Gymnogramma salicifolia
                                             Gymnogramma salvinii
                                             Gymnogramma sayeri
                                             Gymnogramma scalaris
                                             Gymnogramma scandens
                                             Gymnogramma schaffneri
                                             Gymnogramma schizophylla
                                               Gymnogramma schizophylla var. elegantissima
                                             Gymnogramma schomburgkiana
                                             Gymnogramma schwackeana
                                             Gymnogramma sciatraphis
                                             Gymnogramma scolopendrioides
                                             Gymnogramma sellowiana
                                             Gymnogramma serrata
                                             Gymnogramma serrulata
                                             Gymnogramma serrulatum
                                             Gymnogramma setulosa
                                             Gymnogramma sinuata
                                             Gymnogramma spectabilis
                                             Gymnogramma spuria
                                             Gymnogramma stegnogramme
                                             Gymnogramma stierii
                                             Gymnogramma stuebelii
                                             Gymnogramma subcordata
                                             Gymnogramma subdigitata
                                             Gymnogramma subglandulosa
                                             Gymnogramma subsimilis
                                             Gymnogramma subtrifoliata
                                             Gymnogramma sulphurea
                                               Gymnogramma sulphurea var. wilsonii
                                             Gymnogramma tartarea
                                               Gymnogramma tartarea var. aurata
                                               Gymnogramma tartarea var. ochracea
                                             Gymnogramma tenera
                                             Gymnogramma thiebautii
                                             Gymnogramma tolimensis
                                             Gymnogramma tomentosa
                                             Gymnogramma totta
                                               Gymnogramma totta var. mollissima
                                             Gymnogramma triangulata
                                             Gymnogramma trifoliata
                                             Gymnogramma unita
                                             Gymnogramma valleculata
                                             Gymnogramma vellea
                                             Gymnogramma verticalis
                                               Gymnogramma verticalis var. humilis
                                             Gymnogramma vestita
                                               Gymnogramma vestita var. auriculata
                                             Gymnogramma villosa
                                             Gymnogramma villosula
                                             Gymnogramma viscosa
                                             Gymnogramma vittaeformis
                                             Gymnogramma wallichii
                                             Gymnogramma warscewiczii
                                             Gymnogramma wrightii
                                             Gymnogramma zollingeri
                                     Helminthostachys
                                             Helminthostachys crenata
                                             Helminthostachys dulcis
                                             Helminthostachys integrifolia
                                             Helminthostachys laciniata
                                             Helminthostachys mexicana
                                             Helminthostachys zeylanica
                                               Helminthostachys zeylanica var. brachyspicae
                                     Holubiella
                                             Holubiella lunarioides
                                     Japanobotrychium
                                     Japanobotrychum
                                             Japanobotrychum arisanense
                                             Japanobotrychum chamaeconium
                                             Japanobotrychum cicutarium
                                             Japanobotrychum lanuginosum
                                                   [Botrychium lanuginosum]
                                               Japanobotrychum lanuginosum var. nepalense
                                             Japanobotrychum strictum
                                             Japanobotrychum virginianum
                                     Mankyua
                                             Mankyua chejuense
                                     Ophiala
                                             Ophiala zeylanica
                                     Ophioderma
                                             Ophioderma falcatum
                                             Ophioderma intermedium
                                             Ophioderma palmata
                                             Ophioderma pendula
                                             Ophioderma pendulum
                                               Ophioderma pendulum var. falcatum
                                             Ophioderma simplex
                                     Ophioglossum
                                             Ophioglossum acuminatum
                                             Ophioglossum aitchisonii
                                             Ophioglossum alaskanum
                                             Ophioglossum ammophilum
                                             Ophioglossum angustatum
                                             Ophioglossum aphrodisiacum
                                             Ophioglossum austroasiaticum
                                             Ophioglossum azoricum
                                             Ophioglossum bergianum
                                             Ophioglossum braunii
                                             Ophioglossum brevipes
                                             Ophioglossum bucharicum
                                             Ophioglossum bulbosum
                                             Ophioglossum californicum
                                                   [Ophioglossum lusitanicum subsp. californicum]
                                                   [Ophioglossum lusitanicum var. californicum]
                                             Ophioglossum capense
                                               Ophioglossum capense var. nudicaule
                                               Ophioglossum capense var. regulare
                                             Ophioglossum caroticaule
                                             Ophioglossum circinnatum
                                             Ophioglossum cognatum
                                             Ophioglossum convexum
                                             Ophioglossum cordifolium
                                             Ophioglossum coriaceum
                                             Ophioglossum costatum
                                             Ophioglossum crotalophoroides
                                                   [Ophioglossum crotalophoroides var. crotalophoroides]
                                                   [Ophioglossum crotalophoroides var. nanum]
                                               Ophioglossum crotalophoroides subsp. crotalophoroides
                                               Ophioglossum crotalophoroides subsp. robustum
                                               Ophioglossum crotalophoroides var. opacum
                                             Ophioglossum cumingianum
                                             Ophioglossum cuspidatum
                                             Ophioglossum dietrichiae
                                             Ophioglossum dudadae
                                             Ophioglossum ekmanii
                                             Ophioglossum eliminatum
                                             Ophioglossum elongatum
                                             Ophioglossum engelmannii
                                                   [Ophioglossum engelmanii]
                                             Ophioglossum falcatum
                                             Ophioglossum felixii
                                             Ophioglossum fernandezianum
                                             Ophioglossum fibrosum
                                             Ophioglossum filiforme
                                             Ophioglossum flexuosum
                                             Ophioglossum floridanum
                                             Ophioglossum furcatum
                                             Ophioglossum gomezianum
                                               Ophioglossum gomezianum var. latifolium
                                             Ophioglossum gracile
                                             Ophioglossum gracillimum
                                             Ophioglossum gramineum
                                               Ophioglossum gramineum var. majus
                                             Ophioglossum gregarium
                                             Ophioglossum gujaratense
                                             Ophioglossum harrisii
                                             Ophioglossum holm-nielsenii
                                             Ophioglossum inconspicuum
                                                   Ophioglossum inconspicuum f. majus
                                             Ophioglossum indicum
                                             Ophioglossum intermedium
                                             Ophioglossum japonicum
                                               Ophioglossum japonicum var. parvisorum
                                             Ophioglossum kawamurae
                                             Ophioglossum lanceolatum
                                             Ophioglossum lancifolium
                                             Ophioglossum latifolium
                                             Ophioglossum lineare
                                             Ophioglossum litorale
                                             Ophioglossum louisii
                                             Ophioglossum loureirianum
                                             Ophioglossum luerssenii
                                             Ophioglossum lusitanicum
                                                   [Ophioglossum lusitanicum var. lusitanicum]
                                                   Ophioglossum lusitanicum f. latifolium
                                                   Ophioglossum lusitanicum f. longipedunculatum
                                               Ophioglossum lusitanicum subsp. coriaceum
                                               Ophioglossum lusitanicum var. gracillimum
                                             Ophioglossum lusoafricanum
                                             Ophioglossum macrorrhizum
                                             Ophioglossum malgassicum
                                             Ophioglossum malviae
                                             Ophioglossum melipillense
                                             Ophioglossum microstichum
                                             Ophioglossum minimum
                                             Ophioglossum mironovii
                                             Ophioglossum moluccanum
                                                   Ophioglossum moluccanum f. complicatum
                                                   Ophioglossum moluccanum f. dilatatum
                                                   Ophioglossum moluccanum f. inconspicuum
                                                   Ophioglossum moluccanum f. pumilum
                                             Ophioglossum moultonii
                                             Ophioglossum namegatae
                                             Ophioglossum nipponicum
                                             Ophioglossum nudicaule
                                                   [Ophioglossum dendroneuron]
                                                   [Ophioglossum ellipticum]
                                                   [Ophioglossum mononeuron]
                                                   [Ophioglossum nudicaule var. minus]
                                                   [Ophioglossum nudicaule var. tenerum]
                                                   [Ophioglossum tenerum]
                                                   Ophioglossum nudicaule f. minus
                                               Ophioglossum nudicaule var. laxum
                                               Ophioglossum nudicaule var. macrorrhizum
                                               Ophioglossum nudicaule var. robustum
                                               Ophioglossum nudicaule var. vulcanicum
                                             Ophioglossum oblongum
                                             Ophioglossum obovatum
                                             Ophioglossum oleosum
                                             Ophioglossum opacum
                                             Ophioglossum ovatum
                                             Ophioglossum parvifolium
                                             Ophioglossum parvum
                                             Ophioglossum pedatum
                                             Ophioglossum pedunculatum
                                             Ophioglossum pedunculosum
                                               Ophioglossum pedunculosum var. australasiaticum
                                             Ophioglossum pendulum
                                               Ophioglossum pendulum subsp. falcatum
                                               Ophioglossum pendulum subsp. pendulum
                                             Ophioglossum pennatum
                                             Ophioglossum peruvianum
                                             Ophioglossum petiolatum
                                             Ophioglossum polyphyllum
                                                   [Ophioglossum concinnum]
                                               Ophioglossum polyphyllum var. angustifolium
                                             Ophioglossum prantlii
                                             Ophioglossum pumilum
                                             Ophioglossum pusillum
                                                   [Ophioglossum vulgatum var. alaskanum]
                                                   [Ophioglossum vulgatum var. pseudopodum]
                                             Ophioglossum raciborskii
                                             Ophioglossum ramosii
                                             Ophioglossum raphaelianum
                                             Ophioglossum regulare
                                             Ophioglossum reticulatum
                                                   Ophioglossum reticulatum f. complicatum
                                               Ophioglossum reticulatum var. acutius
                                               Ophioglossum reticulatum var. polyangium
                                             Ophioglossum richardsiae
                                             Ophioglossum rubellum
                                             Ophioglossum sabulicolum
                                             Ophioglossum sandieae
                                             Ophioglossum sarcophyllum
                                             Ophioglossum savatieri
                                             Ophioglossum scandens
                                             Ophioglossum scariosum
                                             Ophioglossum schlechteri
                                             Ophioglossum schmidii
                                             Ophioglossum simplex
                                             Ophioglossum spruceanum
                                             Ophioglossum stipatum
                                             Ophioglossum tapinum
                                             Ophioglossum thermale
                                               Ophioglossum thermale var. nipponicum
                                             Ophioglossum thomasii
                                             Ophioglossum timorense
                                             Ophioglossum tuberosum
                                             Ophioglossum unifolium
                                             Ophioglossum usterianum
                                             Ophioglossum valdivianum
                                             Ophioglossum vulgare
                                               Ophioglossum vulgare var. aitchisonii
                                             Ophioglossum vulgatum
                                                   [Ophioglossum pycnostichum]
                                                   [Ophioglossum vulgatum var. pycnostichum]
                                                   Ophioglossum vulgatum f. alaskanum
                                                   Ophioglossum vulgatum f. arenarium
                                                   Ophioglossum vulgatum f. cuspidatum
                                                   Ophioglossum vulgatum f. dilatatum
                                                   Ophioglossum vulgatum f. engelmannii
                                                   Ophioglossum vulgatum f. lanceolatum
                                                   Ophioglossum vulgatum f. pseudopodum
                                                   Ophioglossum vulgatum f. pusillum
                                               Ophioglossum vulgatum subsp. africanum
                                               Ophioglossum vulgatum subsp. kilimandscharicum
                                               Ophioglossum vulgatum subsp. minimum
                                               Ophioglossum vulgatum subsp. vulgatum
                                                     [Ophioglossum arenarium]
                                                     [Ophioglossum pringlei]
                                               Ophioglossum vulgatum var. australasiaticum
                                               Ophioglossum vulgatum var. costatum
                                               Ophioglossum vulgatum var. crotalophoroides
                                               Ophioglossum vulgatum var. engelmannii
                                               Ophioglossum vulgatum var. gramineum
                                               Ophioglossum vulgatum var. kilimandscharicum
                                               Ophioglossum vulgatum var. lanceolatum
                                               Ophioglossum vulgatum var. luerssenii
                                               Ophioglossum vulgatum var. macrorrhizum
                                               Ophioglossum vulgatum var. minimum
                                               Ophioglossum vulgatum var. minus
                                               Ophioglossum vulgatum var. nudicaule
                                               Ophioglossum vulgatum var. pedunculosum
                                               Ophioglossum vulgatum var. polyphyllum
                                               Ophioglossum vulgatum var. reticulatum
                                               Ophioglossum vulgatum var. surinamense
                                               Ophioglossum vulgatum var. taylorianum
                                               Ophioglossum vulgatum var. thermale
                                               Ophioglossum vulgatum var. valdivianum
                                             Ophioglossum wightii
                                             Ophioglossum yongrenense
                                             Ophioglossum ypanemense
                                             Ophioglossum zeilanicum
                                             Ophioglossum × giovanninii
                                             Ophioglossum × pierinii
                                             Ophioglossum × pseudoazoricum
                                     Osmundopteris
                                             Osmundopteris chamaeconia
                                             Osmundopteris cicutaria
                                             Osmundopteris lanuginosa
                                             Osmundopteris stricta
                                     Rhizoglossum
                                             Rhizoglossum bergianum
                                             Rhizoglossum kawamurae
                                     Sceptridium
                                             Sceptridium alabamense
                                             Sceptridium argutum
                                             Sceptridium atrovirens
                                             Sceptridium australe
                                               Sceptridium australe subsp. australe
                                               Sceptridium australe subsp. negeri
                                             Sceptridium biforme
                                             Sceptridium biternatum
                                             Sceptridium californicum
                                             Sceptridium coulteri
                                             Sceptridium daucifolium
                                                   [Botrychium daucifolium]
                                               Sceptridium daucifolium var. intermedium
                                               Sceptridium daucifolium var. japonicum
                                               Sceptridium daucifolium var. kanaii
                                             Sceptridium decompositum
                                                   [Botrychium decompositum]
                                                   [Botrychium dissectum subsp. decompositum]
                                             Sceptridium dissectum
                                                   [Botrychium ternatum var. obliquum]
                                               Sceptridium dissectum var. obliquum
                                             Sceptridium elegans
                                             Sceptridium formosanum
                                             Sceptridium japonicum
                                               Sceptridium japonicum var. atrovirens
                                               Sceptridium japonicum var. silvicola
                                             Sceptridium javanicum
                                             Sceptridium jenmanii
                                                   [Botrychium ternatum var. alabamense]
                                             Sceptridium longistipitatum
                                             Sceptridium matricariae
                                             Sceptridium microphyllum
                                             Sceptridium minus
                                             Sceptridium multifidum
                                                   [Botrychium californicum]
                                                   [Botrychium coulteri]
                                                   [Botrychium multifidum subsp. californicum]
                                                   [Botrychium multifidum subsp. coulteri]
                                                   [Botrychium multifidum subsp. silaifolium]
                                                   [Botrychium multifidum var. californicum]
                                                   [Botrychium multifidum var. coulteri]
                                                   [Botrychium multifidum var. silaifolium]
                                                   [Botrychium multifidum]
                                                   [Botrychium occidentale]
                                                   [Botrychium silaifolium]
                                                   [Osmunda multifida]
                                               Sceptridium multifidum subsp. robustum
                                               Sceptridium multifidum var. multifidum
                                               Sceptridium multifidum var. robustum
                                             Sceptridium negeri
                                             Sceptridium nipponicum
                                               Sceptridium nipponicum var. minus
                                             Sceptridium obliquum
                                               Sceptridium obliquum var. elongatum
                                               Sceptridium obliquum var. habereri
                                               Sceptridium obliquum var. intermedium
                                               Sceptridium obliquum var. oneidense
                                             Sceptridium officinale
                                             Sceptridium pseudoternatum
                                             Sceptridium pulchrum
                                             Sceptridium pusillum
                                             Sceptridium robustum
                                             Sceptridium rugulosum
                                             Sceptridium schaffneri
                                                   [Botrychium schaffneri]
                                             Sceptridium silaifolium
                                             Sceptridium silvicola
                                             Sceptridium tenuifolium
                                             Sceptridium ternatum
                                               Sceptridium ternatum var. californicum
                                               Sceptridium ternatum var. coulteri
                                               Sceptridium ternatum var. dissectum
                                               Sceptridium ternatum var. jenmanii
                                               Sceptridium ternatum var. pseudoternatum
                                               Sceptridium ternatum var. tenuifolium
                                               Sceptridium ternatum var. underwoodianum
                                             Sceptridium triangularifolium
                                             Sceptridium underwoodianum
                                             Sceptridium × argutum
                                             Sceptridium × elegans
                                             Sceptridium × longistipitatum
                                             Sceptridium × pseudoternatum
                                             Sceptridium × pulchrum
                                             Sceptridium × silvicola

Problematic Rooting (197501)
                                                   Botrychium multifidum f. dentatum
                                               Botrychium multifidum subsp. robustum
                                               Botrychium multifidum var. australe
                                               Botrychium multifidum var. dichotomum
                                               Botrychium multifidum var. habereri
                                               Botrychium multifidum var. simplicius

Problematic Rooting (197502)
                                                   Botrychium obliquum f. confusum
                                                   Botrychium obliquum f. dissectum
                                                   Botrychium obliquum f. elongatum
                                                   Botrychium obliquum f. oblongifolium
                                                   Botrychium obliquum f. oneidense
                                                   Botrychium obliquum f. pennsylvanicum
                                               Botrychium obliquum var. dissectum
                                               Botrychium obliquum var. habereri
                                               Botrychium obliquum var. intermedium
                                               Botrychium obliquum var. matricarioides
                                               Botrychium obliquum var. multifidum
                                               Botrychium obliquum var. oblongifolium
                                               Botrychium obliquum var. oneidense
                                               Botrychium obliquum var. pennsylvanicum
                                               Botrychium obliquum var. rutaceum
                                               Botrychium obliquum var. tenuifolium

Problematic Rooting (197513)
                                               Botrychium silaifolium var. californicum

Problematic Rooting (197518)
                                                   Botrychium ternatum f. coulteri
                                                   Botrychium ternatum f. dissectum
                                                   Botrychium ternatum f. intermedium
                                                   Botrychium ternatum f. oneidense
                                                   Botrychium ternatum f. robustum
                                                   Botrychium ternatum f. silaifolium
                                                   Botrychium ternatum f. tenuifolium
                                               Botrychium ternatum subsp. robustum
                                               Botrychium ternatum var. australe
                                               Botrychium ternatum var. coulteri
                                               Botrychium ternatum var. daedaleum
                                               Botrychium ternatum var. dissectum
                                               Botrychium ternatum var. erosum
                                               Botrychium ternatum var. intermedium
                                               Botrychium ternatum var. oneidense
                                               Botrychium ternatum var. pseudoternatum
                                               Botrychium ternatum var. silaefolium
                                               Botrychium ternatum var. silaifolium

Problematic Rooting (197520)
                                                   Botrychium virginianum f. europaeum
                                                   Botrychium virginianum f. gracile
                                                   Botrychium virginianum f. intermedium
                                                   Botrychium virginianum f. laurentianum
                                               Botrychium virginianum subsp. meridionale
                                               Botrychium virginianum var. cicutarium
                                               Botrychium virginianum var. dichronum
                                               Botrychium virginianum var. intermedium
                                               Botrychium virginianum var. lanuginosum
                                               Botrychium virginianum var. laurentianum
                                               Botrychium virginianum var. meridionale
                                               Botrychium virginianum var. mexicanum
                                               Botrychium virginianum var. simplex

Problematic Rooting (209507)
                                               Botrychium daucifolium var. japonicum

Problematic Rooting (209509)
                                                   Botrychium neglectum f. gracile

Problematic Rooting (209511)
                                               Botrychium ramosum var. manshuricum
                                               Botrychium ramosum var. neglectum
                                               Botrychium ramosum var. palmatum
                                               Botrychium ramosum var. patagonicum

Problematic Rooting (209873)
                                               Gymnogramma javanica var. robusta
                                               Gymnogramma javanica var. spinulosa

Problematic Rooting (213381)
                                               Botrychium schaffneri var. pusillum

Problematic Rooting (243903)
                                               Botrychium lanuginosum var. leptostachyum
                                               Botrychium lanuginosum var. nanum
                                               Botrychium lanuginosum var. nepalense