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Organism
  Plantae
   Viridiplantae
     Streptophyta
     Embryophyta
      Tracheophyta
        Spermatophytina
            Magnoliopsida
                  Myrothamnanae
                         [Saxifraganae]
                    Saxifragales
                           [Altingiales]
                           [Cercidiphyllales]
                           [Crassulales]
                           [Cynomoriales]
                           [Daphniphyllales]
                           [Fothergillales]
                           [Grossulariales]
                           [Haloragales]
                           [Hamamelidales]
                           [Iteales]
                           [Medusandrales]
                           [Paeoniales]
                           [Peridiscales]
                           [Sedales]
                           [Sempervivales]
                            Saxifragaceae
                                   [Chrysospleniaceae]
                                     Antiphylla
                                     Astilbe
                                             Astilbe biternata
                                                   [Astilbe crenatiloba]
                                             Astilbe grandis
                                             Astilbe japonica
                                             Astilbe rivularis
                                               Astilbe rivularis var. angustifoliolata
                                               Astilbe rivularis var. myriantha
                                               Astilbe rivularis var. rivularis
                                             Astilbe rubra
                                                   [Astilbe chinensis var. davidii]
                                                   [Astilbe chinensis]
                                             Astilbe thunbergii
                                     Bensonia
                                     Bensoniella
                                             Bensoniella oregona
                                                   [Bensonia oregona]
                                                   [Bensoniella oregana]
                                     Bergenia
                                             Bergenia ciliata
                                             Bergenia crassifolia
                                                   [Bergenia cordifolia]
                                             Bergenia purpurascens
                                     Bolandra
                                             Bolandra californica
                                             Bolandra oregana
                                                   [Bolandra imnahaensis]
                                                   [Bolandra oregana var. imnahaensis]
                                     Boykinia
                                             Boykinia aconitifolia
                                                   [Boykinia turbinata]
                                                   [Therofon aconitifolium]
                                                   [Therofon turbinatum]
                                             Boykinia intermedia
                                                   [Boykinia major var. intermedia]
                                             Boykinia major
                                                   [Therofon major]
                                               Boykinia major var. major
                                             Boykinia occidentalis
                                                   [Boykinia elata var. occidentalis]
                                                   [Boykinia elata]
                                                   [Boykinia vancouverensis]
                                                   [Therofon cincinnatum]
                                                   [Therofon occidentale]
                                             Boykinia richardsonii
                                                   [Saxifraga richardsonii]
                                                   [Therofon richardsonii]
                                             Boykinia rotundifolia
                                                   [Therofon rotundifolium]
                                     Cascadia
                                             Cascadia nuttallii
                                                   [Saxifraga nuttallii]
                                     Chondrosea
                                     Chrysosplenium
                                             Chrysosplenium alternifolium
                                             Chrysosplenium americanum
                                             Chrysosplenium davidianum
                                             Chrysosplenium delavayi
                                             Chrysosplenium forrestii
                                             Chrysosplenium glechomifolium
                                             Chrysosplenium griffithii
                                             Chrysosplenium iowense
                                                   [Chrysosplenium alternifolium subsp. iowense]
                                                   [Chrysosplenium alternifolium var. iowense]
                                                   [Chrysosplenium alternifolium var. sibiricum]
                                             Chrysosplenium lanuginosum
                                             Chrysosplenium nepalense
                                             Chrysosplenium oppositifolium
                                             Chrysosplenium pilosum
                                               Chrysosplenium pilosum var. barbatum
                                                     [Chrysosplenium barbatum]
                                             Chrysosplenium rosendahlii
                                                   [Chrysosplenium alternifolium var. rosendahlii]
                                             Chrysosplenium tetrandrum
                                                   [Chrysosplenium alternifolium subsp. tetrandrum]
                                                   [Chrysosplenium alternifolium var. tetrandrum]
                                             Chrysosplenium wrightii
                                                   [Chrysosplenium beringianum]
                                                   [Chrysosplenium wrightii var. beringianum]
                                                   [Chrysosplenium wrightii var. wrightii]
                                     Ciliaria
                                     Conimitella
                                             Conimitella williamsii
                                                   [Heuchera williamsii]
                                     Darmera
                                             Darmera peltata
                                                   [Peltiphyllum peltatum]
                                                   [Saxifraga peltata]
                                     Dedea
                                     Dichroa
                                     Elmera
                                             Elmera racemosa
                                                   [Elmera racemosa var. puberulenta]
                                                   [Elmera racemosa var. racemosa]
                                                   [Heuchera racemosa]
                                     Hemieva
                                             Hemieva ranunculifolia
                                                   [Boykinia ranunculifolia]
                                                   [Saxifraga ranunculifolia]
                                                   [Suksdorfia ranunculifolia]
                                     Heterisia
                                     Heuchera
                                             Heuchera abramsii
                                                   [Heuchera rubescens var. abramsii]
                                             Heuchera acutifolia
                                             Heuchera alba
                                             Heuchera americana
                                               Heuchera americana var. americana
                                                     [Heuchera americana var. brevipetala]
                                                     [Heuchera americana var. calycosa]
                                                     [Heuchera americana var. heteradenia]
                                                     [Heuchera americana var. subtruncata]
                                                     [Heuchera calycosa]
                                                     [Heuchera curtisii var. crenata]
                                                     [Heuchera curtisii]
                                                     [Heuchera lancipetala]
                                               Heuchera americana var. hirsuticaulis
                                                     [Heuchera americana var. interior]
                                                     [Heuchera hirsuticaulis]
                                               Heuchera americana var. hispida
                                             Heuchera amoena
                                             Heuchera bracteata
                                             Heuchera brevistaminea
                                             Heuchera caespitosa
                                                   [Heuchera cespitosa]
                                                   [Heuchera elegans]
                                                   [Heuchera rubescens var. caespitosa]
                                                   [Heuchera rubescens var. elegans]
                                             Heuchera caroliniana
                                                   [Heuchera americana var. caroliniana]
                                             Heuchera chlorantha
                                             Heuchera cylindrica
                                                   [Heuchera alpina]
                                                   [Heuchera columbiana]
                                                   [Heuchera cylindrica var. alpina]
                                                   [Heuchera cylindrica var. cylindrica]
                                                   [Heuchera cylindrica var. glabella]
                                                   [Heuchera cylindrica var. orbicularis]
                                                   [Heuchera cylindrica var. ovalifolia]
                                                   [Heuchera cylindrica var. septentrionalis]
                                                   [Heuchera cylindrica var. suksdorfii]
                                                   [Heuchera glabella]
                                                   [Heuchera ovalifolia var. alpina]
                                                   [Heuchera ovalifolia var. orbicularis]
                                                   [Heuchera ovalifolia var. thompsonii]
                                                   [Heuchera ovalifolia]
                                                   [Heuchera saxicola]
                                                   [Heuchera suksdorfii]
                                                   [Holochloa elata]
                                             Heuchera eastwoodiae
                                             Heuchera glabra
                                             Heuchera glomerulata
                                             Heuchera grossulariifolia
                                                   [Heuchera cusickii]
                                                   [Heuchera cylindrica var. tenuifolia]
                                                   [Heuchera grossulariifolia var. grossulariifolia]
                                                   [Heuchera grossulariifolia var. tenuifolia]
                                                   [Heuchera tenuifolia]
                                             Heuchera hallii
                                             Heuchera hemsleyana
                                             Heuchera hirsutissima
                                             Heuchera longiflora
                                                   [Heuchera aceroides]
                                                   [Heuchera longiflora var. aceroides]
                                                   [Heuchera scabra]
                                             Heuchera longipetala
                                               Heuchera longipetala var. longipetala
                                               Heuchera longipetala var. orizabensis
                                                     [Heuchera orizabensis]
                                             Heuchera maxima
                                             Heuchera merriamii
                                                   [Heuchera merriami]
                                             Heuchera mexicana
                                             Heuchera micrantha
                                                   [Heuchera glaberrima]
                                                   [Heuchera hartwegii]
                                                   [Heuchera hemisphaerica]
                                                   [Heuchera micrantha var. diversifolia]
                                                   [Heuchera micrantha var. erubescens]
                                                   [Heuchera micrantha var. hartwegii]
                                                   [Heuchera micrantha var. macropetala]
                                                   [Heuchera micrantha var. micrantha]
                                                   [Heuchera nuttallii]
                                                   [Heuchera pilosella]
                                               Heuchera micrantha var. micrantha
                                             Heuchera novamexicana
                                                   [Heuchera novomexicana]
                                             Heuchera parishii
                                                   [Heuchera alpestris]
                                                   [Heuchera hirsuta]
                                                   [Heuchera rubescens var. parishii]
                                             Heuchera parviflora
                                               Heuchera parviflora var. parviflora
                                                     [Heuchera missouriensis]
                                                     [Heuchera parviflora var. rugelii]
                                               Heuchera parviflora var. puberula
                                                     [Heuchera puberula]
                                               Heuchera parviflora var. saurensis
                                             Heuchera parvifolia
                                                   [Heuchera duranii]
                                                   [Heuchera flabellifolia var. flabellifolia]
                                                   [Heuchera flabellifolia var. subsecta]
                                                   [Heuchera flabellifolia]
                                                   [Heuchera nivalis]
                                                   [Heuchera parvifolia var. arizonica]
                                                   [Heuchera parvifolia var. dissecta]
                                                   [Heuchera parvifolia var. flavescens]
                                                   [Heuchera parvifolia var. major]
                                                   [Heuchera parvifolia var. microcarpa]
                                                   [Heuchera parvifolia var. nivalis]
                                                   [Heuchera parvifolia var. parvifolia]
                                                   [Heuchera parvifolia var. utahensis]
                                             Heuchera pilosissima
                                                   [Heuchera hispida]
                                                   [Heuchera pilosissima var. hemisphaerica]
                                                   [Heuchera pilosissima var. pilosissima]
                                             Heuchera pubescens
                                                   [Heuchera pubescens var. brachyandra]
                                             Heuchera pulchella
                                             Heuchera richardsonii
                                                   [Heuchera richardsonii var. affinis]
                                                   [Heuchera richardsonii var. grayana]
                                                   [Heuchera richardsonii var. hispidior]
                                             Heuchera rubescens
                                                   [Heuchera cuneata]
                                                   [Heuchera leptomeria var. peninsularis]
                                                   [Heuchera leptomeria]
                                                   [Heuchera lithophila]
                                                   [Heuchera pachypoda]
                                                   [Heuchera pringlei]
                                                   [Heuchera rubescens f. ambigua]
                                                   [Heuchera rubescens var. alpicola]
                                                   [Heuchera rubescens var. glandulosa]
                                                   [Heuchera rubescens var. nana]
                                                   [Heuchera rubescens var. pachypoda]
                                                   [Heuchera rubescens var. rubescens]
                                                   [Heuchera rubescens var. rydbergiana]
                                                   [Heuchera rubescens var. truncata]
                                                   [Heuchera rubescens var. versicolor]
                                                   [Heuchera versicolor var. leptomeria]
                                                   [Heuchera versicolor]
                                               Heuchera rubescens alpicola
                                             Heuchera sanguinea
                                                   [Heuchera sanguinea var. pulchra]
                                                   [Heuchera sanguinea var. sanguinea]
                                                   [Heuchera townsendii]
                                             Heuchera villosa
                                               Heuchera villosa var. arkansana
                                                     [Heuchera arkansana]
                                               Heuchera villosa var. villosa
                                                     [Heuchera crinita]
                                                     [Heuchera macrorhiza]
                                                     [Heuchera villosa var. intermedia]
                                                     [Heuchera villosa var. macrorhiza]
                                             Heuchera wootonii
                                             Heuchera × cuneata
                                             Heuchera × easthamii
                              Heucheroideae
                                     Mukdenia
                                             Mukdenia rossii
                                     Hexaphoma
                                     Hirculus
                                     Hydatica
                                     Jepsonia
                                             Jepsonia heterandra
                                                   [Jepsonia parryi var. heterandra]
                                             Jepsonia malvifolia
                                                   [Jepsonia malvaefolia]
                                                   [Jepsonia neonuttalliana]
                                                   [Saxifraga malvaefolia]
                                                   [Saxifraga malvifolia]
                                             Jepsonia parryi
                                                   [Saxifraga parryi]
                                     Leptarrhena
                                             Leptarrhena pyrolifolia
                                                   [Leptarrhena amplexifolia]
                                                   [Lepuropetalon amplexifolium]
                                                   [Saxifraga amplexifolia]
                                                   [Saxifraga pyrolifolia]
                                     Leptasea
                                     Leptaxis
                                     Lithophragma
                                             Lithophragma affine
                                                   [Lithophragma affine subsp. affine]
                                                   [Lithophragma affine subsp. mixtum]
                                                   [Lithophragma affinis subsp. affinis]
                                                   [Lithophragma affinis subsp. mixtum]
                                                   [Lithophragma affinis subsp. mixus]
                                                   [Lithophragma affinis]
                                                   [Lithophragma tripartitum]
                                                   [Tellima affinis]
                                             Lithophragma bolanderi
                                                   [Lithophragma heterophylla var. bolanderi]
                                                   [Lithophragma heterophyllum var. bolanderi]
                                                   [Lithophragma scabrella]
                                                   [Lithophragma scabrellum var. peirsonii]
                                                   [Lithophragma scabrellum]
                                                   [Tellima bolanderi]
                                                   [Tellima heterophylla var. bolanderi]
                                             Lithophragma bulbifera
                                             Lithophragma campanulatum
                                                   [Lithophragma heterophyllum var. campanulatum]
                                                   [Lithophragma laciniatum]
                                             Lithophragma cymbalaria
                                                   [Tellima cymbalaria]
                                             Lithophragma glabrum
                                                   [Lithophragma bulbifera]
                                                   [Lithophragma bulbiferum]
                                                   [Lithophragma glabra]
                                                   [Lithophragma glabrum var. bulbiferum]
                                                   [Lithophragma glabrum var. ramulosum]
                                                   [Lithophragma tenellum var. floridum]
                                                   [Lithophragma tenellum var. ramulosum]
                                                   [Tellima glabra]
                                             Lithophragma heterophyllum
                                                   [Lithophragma heterophylla]
                                                   [Lithophragma trilobum]
                                                   [Tellima heterophylla]
                                             Lithophragma maximum
                                             Lithophragma parviflorum
                                                   [Lithophragma anemonoides]
                                                   [Lithophragma austromontanum]
                                                   [Lithophragma parviflora]
                                                   [Tellima parviflora]
                                               Lithophragma parviflorum var. parviflorum
                                                     [Lithophragma parviflora var. parviflora]
                                               Lithophragma parviflorum var. trifoliatum
                                                     [Lithophragma parviflora var. trifoliata]
                                                     [Lithophragma trifoliata]
                                                     [Lithophragma trifoliatum]
                                             Lithophragma tenellum
                                                   [Lithophragma australe]
                                                   [Lithophragma breviloba]
                                                   [Lithophragma brevilobum]
                                                   [Lithophragma rupicola]
                                                   [Lithophragma tenella]
                                                   [Lithophragma tenellum var. thompsonii]
                                                   [Tellima tenella]
                                               Lithophragma tenellum var. tenellum
                                             Lithophragma tripartita
                                     Micranthes
                                             Micranthes apetala
                                                   [Saxifraga apetala]
                                                   [Saxifraga columbiana var. apetala]
                                                   [Saxifraga integrifolia var. apetala]
                                             Micranthes aprica
                                                   [Saxifraga aprica]
                                                   [Saxifraga laevicaulis]
                                             Micranthes bryophora
                                                   [Saxifraga bryophora var. bryophora]
                                                   [Saxifraga bryophora var. tobiasiae]
                                                   [Saxifraga bryophora]
                                                   [Spatularia bryophora]
                                             Micranthes californica
                                                   [Saxifraga californica]
                                                   [Saxifraga fallax]
                                                   [Saxifraga gracillima]
                                                   [Saxifraga hallii]
                                                   [Saxifraga napensis]
                                                   [Saxifraga parvifolia]
                                                   [Saxifraga piperi]
                                                   [Saxifraga virginiensis var. californica]
                                               Micranthes californica subsp. fallax
                                                     [Micranthes fallax]
                                             Micranthes calycina
                                                   [Saxifraga calycina subsp. calycina]
                                                   [Saxifraga calycina]
                                                   [Saxifraga davurica subsp. grandipetala]
                                                   [Saxifraga davurica var. grandipetala]
                                             Micranthes careyana
                                                   [Micranthes tennesseensis]
                                                   [Saxifraga careyana]
                                             Micranthes caroliniana
                                                   [Saxifraga caroliniana]
                                             Micranthes davidii
                                                   [Saxifraga davidii]
                                                   [Saxifraga leptarrhenifolia]
                                             Micranthes davurica
                                                   [Saxifraga davurica]
                                             Micranthes eriophora
                                                   [Saxifraga eriophora]
                                             Micranthes ferruginea
                                                   [Hexaphoma ferruginea]
                                                   [Saxifraga bongardii]
                                                   [Saxifraga ferruginea var. ferruginea]
                                                   [Saxifraga ferruginea var. foliacea]
                                                   [Saxifraga ferruginea var. macounii]
                                                   [Saxifraga ferruginea var. newcombei]
                                                   [Saxifraga ferruginea var. vreelandii]
                                                   [Saxifraga ferruginea]
                                                   [Saxifraga vreelandii]
                                                   [Spatularia ferruginea]
                                             Micranthes foliolosa
                                                   [Hydatica foliolosa]
                                                   [Saxifraga foliolosa var. multiflora]
                                                   [Saxifraga foliolosa]
                                                   [Saxifraga stellaris var. comosa]
                                                   [Spatularia foliolosa]
                                             Micranthes fragosa
                                                   [Saxifraga claytoniifolia]
                                                   [Saxifraga fragosa subsp. claytoniifolia]
                                                   [Saxifraga fragosa]
                                                   [Saxifraga integrifolia var. claytoniifolia]
                                                   [Saxifraga integrifolia var. fragosa]
                                                   [Saxifraga nidifica var. claytoniifolia]
                                             Micranthes gaspensis
                                                   [Saxifraga gaspensis]
                                                   [Saxifraga nivalis var. gaspensis]
                                             Micranthes gormanii
                                                   [Saxifraga gormanii]
                                                   [Saxifraga occidentalis var. dentata]
                                             Micranthes hieraciifolia
                                                   [Saxifraga hieracifolia]
                                                   [Saxifraga hieraciifolia var. angusticapsula]
                                                   [Saxifraga hieraciifolia var. hieraciifolia]
                                                   [Saxifraga hieraciifolia var. rufopilosa]
                                                   [Saxifraga hieraciifolia]
                                             Micranthes hitchcockiana
                                                   [Saxifraga hitchcockiana]
                                                   [Saxifraga hitchcockii]
                                                   [Saxifraga occidentalis var. latipetiolata]
                                             Micranthes howellii
                                                   [Saxifraga howellii]
                                             Micranthes idahoensis
                                                   [Saxifraga idahoensis]
                                                   [Saxifraga marshallii subsp. idahoensis]
                                                   [Saxifraga marshallii var. idahoensis]
                                                   [Saxifraga occidentalis var. idahoensis]
                                             Micranthes integrifolia
                                                   [Micranthes bidens]
                                                   [Saxifraga aphanostyla]
                                                   [Saxifraga bracteosa var. angustifolia]
                                                   [Saxifraga bracteosa]
                                                   [Saxifraga fragosa var. leucandra]
                                                   [Saxifraga integrifolia var. integrifolia]
                                                   [Saxifraga integrifolia var. sierrae]
                                                   [Saxifraga integrifolia]
                                                   [Saxifraga laevicarpa]
                                             Micranthes lyallii
                                                   [Saxifraga lyallii subsp. hultenii]
                                                   [Saxifraga lyallii subsp. lyallii]
                                                   [Saxifraga lyallii var. hultenii]
                                                   [Saxifraga lyallii var. laxa]
                                                   [Saxifraga lyallii]
                                             Micranthes marshallii
                                                   [Saxifraga marshallii]
                                             Micranthes micranthidifolia
                                                   [Saxifraga micranthidifolia]
                                             Micranthes nelsoniana
                                               Micranthes nelsoniana subsp. aestivalis
                                                     [Saxifraga aestivalis]
                                               Micranthes nelsoniana subsp. nelsoniana
                                                     [Saxifraga paddoensis]
                                               Micranthes nelsoniana var. aestivalis
                                               Micranthes nelsoniana var. carlottae
                                                     [Saxifraga nelsoniana subsp. carlottae]
                                                     [Saxifraga punctata subsp. carlottae]
                                                     [Saxifraga punctata var. carlottae]
                                                     [Saxifraga punctata var. charlottae]
                                               Micranthes nelsoniana var. cascadensis
                                                     [Saxifraga nelsoniana subsp. cascadensis]
                                                     [Saxifraga punctata subsp. cascadensis]
                                                     [Saxifraga punctata var. cascadensis]
                                               Micranthes nelsoniana var. insularis
                                                     [Saxifraga insularis]
                                                     [Saxifraga nelsoniana subsp. insularis]
                                                     [Saxifraga punctata subsp. insularis]
                                               Micranthes nelsoniana var. nelsoniana
                                                     [Saxifraga nelsoniana subsp. nelsoniana]
                                                     [Saxifraga nelsoniana]
                                                     [Saxifraga punctata subsp. nelsoniana]
                                                     [Saxifraga punctata var. nelsoniana]
                                                     [Saxifraga punctata var. punctata]
                                                     [Saxifraga punctata]
                                               Micranthes nelsoniana var. porsildiana
                                                     [Saxifraga nelsoniana subsp. pacifica]
                                                     [Saxifraga nelsoniana subsp. porsildiana]
                                                     [Saxifraga porsildiana]
                                                     [Saxifraga punctata subsp. pacifica]
                                                     [Saxifraga punctata subsp. porsildiana]
                                                     [Saxifraga punctata var. porsildiana]
                                             Micranthes nidifica
                                                   [Micranthes montana]
                                                   [Saxifraga bracteosa var. micropetala]
                                                   [Saxifraga columbiana]
                                                   [Saxifraga crenatifolia]
                                                   [Saxifraga integrifolia var. columbiana]
                                                   [Saxifraga integrifolia var. leptopetala]
                                                   [Saxifraga integrifolia var. micropetala]
                                                   [Saxifraga montana]
                                                   [Saxifraga nidifica var. nidifica]
                                                   [Saxifraga nidifica]
                                                   [Saxifraga plantaginea]
                                             Micranthes nivalis
                                                   [Saxifraga nivalis var. rufopilosa]
                                                   [Saxifraga nivalis]
                                                   [Saxifraga rufopilosa]
                                             Micranthes nudicaulis
                                                   [Saxifraga nudicaulis]
                                             Micranthes occidentalis
                                                   [Micranthes allenii]
                                                   [Micranthes lata]
                                                   [Micranthes saximontana]
                                                   [Saxifraga allenii]
                                                   [Saxifraga chelanensis]
                                                   [Saxifraga occidentalis var. allenii]
                                                   [Saxifraga occidentalis var. wallowensis]
                                                   [Saxifraga occidentalis]
                                                   [Saxifraga reflexa subsp. occidentalis]
                                                   [Saxifraga saximontana]
                                             Micranthes odontoloma
                                                   [Saxifraga arguta]
                                                   [Saxifraga odontoloma]
                                                   [Saxifraga punctata subsp. arguta]
                                                   [Saxifraga punctata var. arguta]
                                             Micranthes oregana
                                                   [Micranthes arnoglossa]
                                                   [Micranthes brachypus]
                                                   [Saxifraga arnoglossa]
                                                   [Saxifraga montanensis]
                                                   [Saxifraga oregana var. montanensis]
                                                   [Saxifraga oregana var. oregana]
                                                   [Saxifraga oregana var. sierrae]
                                                   [Saxifraga oregana]
                                                   [Saxifraga sierrae]
                                             Micranthes pallida
                                                   [Saxifraga pallida]
                                             Micranthes palmeri
                                                   [Saxifraga palmeri]
                                                   [Saxifraga virginiensis var. subintegra]
                                             Micranthes pensylvanica
                                                   [Saxifraga forbesii]
                                                   [Saxifraga pensylvanica subsp. interior]
                                                   [Saxifraga pensylvanica subsp. tenuirostrata]
                                                   [Saxifraga pensylvanica var. forbesii]
                                                   [Saxifraga pensylvanica var. pensylvanica]
                                                   [Saxifraga pensylvanica var. purpuripetala]
                                                   [Saxifraga pensylvanica]
                                             Micranthes petiolaris
                                                   [Hydatica petiolaris]
                                                   [Saxifraga michauxii]
                                                   [Spathularia michauxii]
                                                   [Spatularia michauxii]
                                             Micranthes razshivinii
                                                   [Saxifraga razshivinii]
                                             Micranthes redofskyi
                                                   [Saxifraga redofskii]
                                             Micranthes reflexa
                                                   [Saxifraga reflexa var. reflexa]
                                                   [Saxifraga reflexa]
                                             Micranthes rhomboidea
                                                   [Micranthes franciscana]
                                                   [Saxifraga austrina]
                                                   [Saxifraga greenei]
                                                   [Saxifraga integrifolia var. rhomboidea]
                                                   [Saxifraga interrupta]
                                                   [Saxifraga rhomboidea var. austrina]
                                                   [Saxifraga rhomboidea var. franciscana]
                                                   [Saxifraga rhomboidea]
                                             Micranthes spicata
                                                   [Saxifraga spicata]
                                             Micranthes stellaris
                                                   [Hydatica stellaris]
                                                   [Saxifraga stellaris]
                                                   [Spatularia stellaris]
                                               Micranthes stellaris subsp. stellaris
                                                     [Saxifraga notkana]
                                             Micranthes subapetala
                                                   [Saxifraga hieraciifolia var. rydbergii]
                                                   [Saxifraga montanensis var. subpetala]
                                                   [Saxifraga oregana var. subapetala]
                                                   [Saxifraga oregana var. subpetala]
                                                   [Saxifraga rydbergii]
                                                   [Saxifraga subapetala]
                                             Micranthes tempestiva
                                                   [Saxifraga tempestiva]
                                             Micranthes tenuis
                                                   [Saxifraga nivalis var. tenuis]
                                                   [Saxifraga tenuis]
                                             Micranthes texana
                                                   [Saxifraga reevesii]
                                                   [Saxifraga texana]
                                             Micranthes tischii
                                                   [Saxifraga tischii]
                                             Micranthes tolmiei
                                                   [Saxifraga ledifolia]
                                                   [Saxifraga tolmiei var. ledifolia]
                                                   [Saxifraga tolmiei]
                                             Micranthes unalaschcensis
                                             Micranthes unalaschensis
                                                   [Saxifraga davurica var. unalaschcensis]
                                                   [Saxifraga unalaschcensis]
                                             Micranthes virginiensis
                                                   [Saxifraga virginiensis var. virginiensis]
                                                   [Saxifraga virginiensis]
                                     Mitella
                                             Mitella diphylla
                                                   [Mitella oppositifolia]
                                             Mitella nuda
                                                   [Mitella prostrata]
                                             Mitella stauropetala
                                                   [Mitella stauropetala var. stauropetala]
                                                   [Mitella stauropetala var. stenopetala]
                                                   [Mitella stenopetala]
                                                   [Ozomelis stauropetala]
                                             Mitella × intermedia
                                     Mitellastra
                                             Mitellastra caulescens
                                                   [Mitella caulescens]
                                     Mitellopsis
                                     Muscaria
                                     Ozomelis
                                             Ozomelis diversifolia
                                                   [Mitella diversifolia]
                                             Ozomelis trifida
                                                   [Mitella anomala]
                                                   [Mitella trifida var. trifida]
                                                   [Mitella trifida var. violacea]
                                                   [Mitella trifida]
                                                   [Mitella violacea]
                                                   [Mitellopsis trifida]
                                                   [Ozomelis anomala]
                                                   [Ozomelis micrantha]
                                                   [Ozomelis pacifica]
                                     Pectiantia
                                             Pectiantia breweri
                                                   [Mitella breweri]
                                             Pectiantia ovalis
                                                   [Mitella ovalis]
                                             Pectiantia pentandra
                                                   [Mitella pentandra]
                                                   [Mitellopsis pentandra]
                                     Peltiphyllum
                                     Pileostegia
                                     Rodgersia
                                             Rodgersia aesculifolia
                                             Rodgersia podophylla
                                             Rodgersia sambucifolia
                                     Saxifraga
                                             Saxifraga adscendens
                                                   [Muscaria adscendens]
                                                   [Saxifraga adscendens subsp. oregonensis]
                                                   [Saxifraga adscendens var. oregonensis]
                                             Saxifraga aizoides
                                                   [Leptasea aizoides]
                                             Saxifraga aleutica
                                             Saxifraga aphylla
                                             Saxifraga aspera
                                             Saxifraga brachypoda
                                             Saxifraga bracteata
                                                   [Saxifraga rivularis var. laurentiana]
                                             Saxifraga bronchialis
                                               Saxifraga bronchialis subsp. austromontana
                                                     [Ciliaria austromontana]
                                                     [Saxifraga austromontana]
                                                     [Saxifraga bronchialis var. austromontana]
                                               Saxifraga bronchialis subsp. bronchialis
                                               Saxifraga bronchialis subsp. funstonii
                                                     [Ciliaria funstonii]
                                                     [Leptasea funstonii]
                                                     [Saxifraga bronchialis subsp. codyana]
                                                     [Saxifraga bronchialis subsp. codyanus]
                                                     [Saxifraga bronchialis var. purpureomaculata]
                                                     [Saxifraga codyana]
                                                     [Saxifraga codyanus]
                                                     [Saxifraga firma]
                                                     [Saxifraga funstonii]
                                             Saxifraga bryoides
                                             Saxifraga caesia
                                             Saxifraga cernua
                                                   [Saxifraga cernua var. exilioides]
                                             Saxifraga cespitosa
                                                   [Muscaria caespitosa]
                                                   [Muscaria cespitosa subsp. lauxiuscula]
                                                   [Muscaria cespitosa subsp. laxiuscula]
                                                   [Muscaria cespitosa]
                                                   [Muscaria delicatula]
                                                   [Muscaria micropetala]
                                                   [Muscaria monticola]
                                                   [Saxifraga caespitosa subsp. caespitosa]
                                                   [Saxifraga caespitosa subsp. delicatula]
                                                   [Saxifraga caespitosa subsp. eucaespitosa]
                                                   [Saxifraga caespitosa subsp. monticola]
                                                   [Saxifraga caespitosa subsp. sileneflora]
                                                   [Saxifraga caespitosa subsp. subgemmifera]
                                                   [Saxifraga caespitosa subsp. uniflora]
                                                   [Saxifraga caespitosa var. emarginata]
                                                   [Saxifraga caespitosa var. lemmonii]
                                                   [Saxifraga caespitosa var. minima]
                                                   [Saxifraga caespitosa var. subgemmifera]
                                                   [Saxifraga caespitosa]
                                                   [Saxifraga cespitosa subsp. cespitosa]
                                                   [Saxifraga cespitosa subsp. decipiens]
                                                   [Saxifraga cespitosa subsp. delicatula]
                                                   [Saxifraga cespitosa subsp. eucaespitosa]
                                                   [Saxifraga cespitosa subsp. exaratoides]
                                                   [Saxifraga cespitosa subsp. lauxiuscula]
                                                   [Saxifraga cespitosa subsp. laxiuscula]
                                                   [Saxifraga cespitosa subsp. monticola]
                                                   [Saxifraga cespitosa subsp. sileneflora]
                                                   [Saxifraga cespitosa subsp. subgemmifera]
                                                   [Saxifraga cespitosa subsp. uniflora]
                                                   [Saxifraga cespitosa var. cespitosa]
                                                   [Saxifraga cespitosa var. emarginata]
                                                   [Saxifraga cespitosa var. lemmonii]
                                                   [Saxifraga cespitosa var. minima]
                                                   [Saxifraga cespitosa var. subgemmifera]
                                                   [Saxifraga micropetala]
                                                   [Saxifraga monticola]
                                                   [Saxifraga sileneflora]
                                             Saxifraga cherlerioides
                                                   [Saxifraga bronchialis subsp. cherlerioides]
                                                   [Saxifraga bronchialis var. cherlerioides]
                                             Saxifraga chrysantha
                                                   [Hirculus serpyllifolius subsp. chrysanthus]
                                                   [Saxifraga serpyllifolia subsp. chrysantha]
                                                   [Saxifraga serpyllifolia var. chrysantha]
                                             Saxifraga clusii
                                             Saxifraga cuneifolia
                                             Saxifraga debilis
                                                   [Saxifraga hyperborea subsp. debilis]
                                                   [Saxifraga rivularis var. debilis]
                                             Saxifraga dichotoma
                                               Saxifraga dichotoma subsp. dichotoma
                                                     [Saxifraga hervieri]
                                             Saxifraga diversifolia
                                             Saxifraga egregia
                                             Saxifraga elegans
                                             Saxifraga eschscholtzii
                                             Saxifraga exarata
                                             Saxifraga finitima
                                             Saxifraga flagellaris
                                               Saxifraga flagellaris subsp. crandallii
                                                     [Hirculus platysepalus subsp. crandallii]
                                                     [Saxifraga crandallii]
                                                     [Saxifraga flagellaris var. crandallii]
                                               Saxifraga flagellaris subsp. flagellaris
                                               Saxifraga flagellaris subsp. platysepala
                                                     [Hirculus platysepalus]
                                                     [Saxifraga flagellaris var. platysepala]
                                                     [Saxifraga platysepala]
                                               Saxifraga flagellaris subsp. setigera
                                                     [Saxifraga setigera]
                                             Saxifraga granulata
                                             Saxifraga hirculus
                                                   [Hirculus prorepens]
                                                   [Leptasea hirculus]
                                                   [Saxifraga hirculus subsp. coloradensis]
                                                   [Saxifraga hirculus subsp. compacta]
                                                   [Saxifraga hirculus subsp. hirculus]
                                                   [Saxifraga hirculus subsp. propinqua]
                                                   [Saxifraga hirculus var. propinqua]
                                                   [Saxifraga prorepens]
                                             Saxifraga hirsuta
                                             Saxifraga hispidula
                                             Saxifraga hyperborea
                                                   [Saxifraga rivularis subsp. flexuosa]
                                                   [Saxifraga rivularis subsp. hyperborea]
                                                   [Saxifraga rivularis var. flexuosa]
                                                   [Saxifraga rivularis var. hyperborea]
                                             Saxifraga hypnoides
                                                   [Muscaria hypnoides]
                                             Saxifraga implicans
                                             Saxifraga intricata
                                                   [Saxifraga nervosa]
                                             Saxifraga mengtzeana
                                             Saxifraga mertensiana
                                                   [Heterisia eastwoodiae]
                                                   [Heterisia mertensiana]
                                                   [Micranthes mertensiana]
                                                   [Saxifraga mertensiana var. eastwoodiae]
                                             Saxifraga moschata
                                             Saxifraga nathorstii
                                                   [Saxifraga oppositifolia var. nathorstii]
                                             Saxifraga oppositifolia
                                               Saxifraga oppositifolia subsp. oppositifolia
                                                     [Antiphylla oppositifolia]
                                               Saxifraga oppositifolia subsp. smalliana
                                                     [Saxifraga oppositifolia subsp. glandulisepala]
                                             Saxifraga paniculata
                                                   [Chondrosea aizoon]
                                                   [Chondrosea paniculata subsp. neogaea]
                                                   [Chondrosea paniculata]
                                                   [Saxifraga aizoon subsp. neogaea]
                                                   [Saxifraga aizoon var. neogaea]
                                                   [Saxifraga aizoon]
                                                   [Saxifraga paniculata subsp. neogaea]
                                                   [Saxifraga paniculata subsp. paniculata]
                                             Saxifraga peplidifolia
                                             Saxifraga punctata
                                               Saxifraga punctata subsp. arguta
                                             Saxifraga radiata
                                                   [Saxifraga exilis]
                                             Saxifraga reflexa
                                             Saxifraga rivularis
                                               Saxifraga rivularis subsp. arctolitoralis
                                               Saxifraga rivularis subsp. rivularis
                                             Saxifraga rosacea
                                             Saxifraga rotundifolia
                                             Saxifraga rufescens
                                             Saxifraga rufidula
                                                   [Micranthes rufidula]
                                                   [Saxifraga occidentalis subsp. rufidula]
                                                   [Saxifraga occidentalis var. rufidula]
                                             Saxifraga sedoides
                                             Saxifraga seguieri
                                             Saxifraga serpyllifolia
                                                   [Hirculus serpyllifolius]
                                                   [Saxifraga serpyllifolia var. purpurea]
                                             Saxifraga sibirica
                                             Saxifraga sibthorpii
                                             Saxifraga stolonifera
                                                   [Saxifraga sarmentosa]
                                             Saxifraga strigosa
                                             Saxifraga subaequifoliata
                                             Saxifraga taylori
                                             Saxifraga taylorii
                                             Saxifraga tenella
                                             Saxifraga tricuspidata
                                                   [Leptasea tricuspidata]
                                             Saxifraga tridactylites
                                             Saxifraga tsangchanensis
                                             Saxifraga umbellulata
                                             Saxifraga umbrosa
                                             Saxifraga vespertina
                                                   [Ciliaria vespertina]
                                                   [Saxifraga bronchialis subsp. vespertina]
                                                   [Saxifraga bronchialis var. vespertina]
                                             Saxifraga × geum
                                                   [Micranthes geum]
                                     Saxifragopsis
                                             Saxifragopsis fragarioides
                                                   [Saxifraga fragarioides]
                                     Spathularia
                                     Spatularia
                                             Spatularia flavida
                                     Suksdorfia
                                             Suksdorfia violacea
                                     Sullivantia
                                             Sullivantia hapemanii
                                               Sullivantia hapemanii var. hapemanii
                                               Sullivantia hapemanii var. purpusii
                                                     [Boykinia purpusii]
                                                     [Sullivantia purpusii]
                                             Sullivantia oregana
                                                   [Sullivantia gregana]
                                             Sullivantia sullivantii
                                                   [Saxifraga sullivantii]
                                                   [Sullivantia ohionis]
                                                   [Sullivantia renifolia]
                                     Telesonix
                                             Telesonix heucheriformis
                                                   [Boykinia heucheriformis]
                                                   [Boykinia jamesii var. heucheriformis]
                                                   [Telesonix jamesii var. heucheriformis]
                                             Telesonix jamesii
                                                   [Boykinia jamesii]
                                                   [Saxifraga jamesii]
                                     Tellima
                                             Tellima grandiflora
                                                   [Mitella grandiflora]
                                                   [Tellima odorata]
                                     Therofon
                                     Tiarella
                                             Tiarella cordifolia
                                                   [Tiarella cordifolia var. austrina]
                                                   [Tiarella cordifolia var. collina]
                                                   [Tiarella cordifolia var. cordifolia]
                                                   [Tiarella macrophylla]
                                                   [Tiarella wherryi]
                                             Tiarella polyphylla
                                             Tiarella trifoliata
                                               Tiarella trifoliata subsp. trifoliata
                                               Tiarella trifoliata var. laciniata
                                                     [Tiarella californica]
                                                     [Tiarella laciniata]
                                               Tiarella trifoliata var. trifoliata
                                                     [Tiarella trifoliata subsp. trifoliata]
                                               Tiarella trifoliata var. unifoliata
                                                     [Heuchera californica]
                                                     [Tiarella trifoliata subsp. unifoliata]
                                                     [Tiarella unifoliata]
                                     Tolmiea
                                             Tolmiea diplomenziesii
                                             Tolmiea menziesii
                                                   [Heuchera menziesii]
                                                   [Leptaxis menziesii]
                                                   [Tiarella menziesii]
                                     × Heucherella