UC Irvine Ecological Preserve
Authors: This checklist is a project of the UC Irvine Herbarium (IRVC). Please contact collections manager with questions, rcrowe@uci.edu.
Locality: The UCI Ecological Preserve is a 60 acre site on the southern edge of the campus located adjacent University Hills, the Irvine Research Park, and the San Joaquin Transportation Corridor. (33.635490, -117.844850)
Abstract:

NATIVE: thought to occur naturally in the area, not human introduced; NATURALIZED: not native but successfully reproducing and spreading in native habitats without human intervention; PERSISTING FROM CULTIVATION: originally planted/cultivated, but no longer maintained; not reproducing or escaping into native habitats; WAIF: not native to the area, having been (unintentionally) human introduced, escaped from cultivation, or naturally dispersed into a natural habitat, but currently not or sparingly reproducing/spreading past initial generation or establishment. Some potential to become naturalized.

Notes: This checklist updates taxonomy and builds on the Bowler and Bramlet 2002 checklist and the unpublished 2010 updated checklist by the same authors. Bowler, P.A. and D. Bramlet. 2002 (issued August, 2003). Vascular plants of the University of Califonria, Irvine Ecological Preserve. Crossosoma 28(2): 27-49.

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Families: 58
Genera: 169
Species: 237
Total Taxa (details): 241

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CSS, G, NATIVE; Perennial
Amaranthus albus L. - White Tumbleweed
NATURALIZED (native to central North America)
Atriplex semibaccata R. Br. - Australian Saltbush
NATURALIZED (native to Australia)
Beta vulgaris L. - common beet
NATURALIZED (native to Southern Europe)
Blitum californicum S. Wats. - California Goosefoot
NATIVE Note: See Fuentes-Bazan, et al. 2012. Willdenowia 42:5-24; a recent name change from Chenopodium californicum
Chenopodium album L. - Lamb's Quarters
NATURALIZED (probably native to Europe)
Chenopodium murale L. - Nettle-Leaf Goosefoot
NATURALIZED (native to Europe). Note: See Fuentes-Bazan, et al. 2012; a recent name change from Chenopodium murale; Mark A. Elvin 2244 [UCR]
Salsola tragus L. - tumbleweed
NATURALIZED (Europe to Siberia and Korea)
Schinus terebinthifolius Raddi - Brazilian Pepper Tree
CSS, NATURALIZED (native to South America); Perennial
CSS, NATIVE, Annual
Bowlesia incana Ruiz & Pav. - American Bowlesia
CSS, NATIVE, Annual, Biennial; Mark A. Elvin 2246 [UCR]
Conium maculatum L. - Common Poison Hemlock
CSS, NATURALIZED (native to Europe); Annual, Biennial
Daucus pusillus Michx. - Rattlesnake Plant
CSS, G, NATURALIZED (native to southern Europe); Perennial
CSS, G, NATIVE, Biennial, Perennial
CSS, G, NATIVE, Perennial
Asclepias fascicularis Decne. - Narrowleaf Milkweed
G, NATIVE, Annual, Perennial
W, NATURALIZED (native to Baja California, Sonora); Perennial
Ambrosia psilostachya DC. - Western Ragweed
W,G, NATIVE, Perennial
Artemisia californica Less. - Coastal Sagebrush
CSS, NATIVE, Perennial
W,G, NATIVE, Perennial
W, NATIVE, Biennial, Perennial; Persisting from mitigation planting
CSS, G, NATIVE, Perennial
W, NATIVE, Perennial, Note: A recent name change from Baccharis Salicifolia (Ruiz & Pavon) See: Jepson eFlora Treatment
CSS, G, R, NATURALIZED (native to southern Europe); Annual; Rebecca E. Crowe 460 [IRVC]
G,R, NATIVE, Annual
CSS, G, NATIVE, Perennial
W, CSS, G, R, NATURALIZED (native to Australia); Annual
CSS, G, R, NATURALIZED, Perennial; Rebecca E. Crowe 463 [IRVC]
CSS, G, R, NATIVE, Annual
Encelia californica Nutt. - California Encelia
CSS, NATIVE, Perennial
Erigeron bonariensis L. - Flax-Leaf Fleabane
NATURALIZED (native to South America); Annual
NATIVE, Annual
Gnaphalium palustre Nutt. - Lowland Cudweed
NATIVE
G, NATIVE, Perennial
NATURALIZED (native to Europe)
Hypochaeris glabra L. - Smooth Cat’s Ear
G,R, NATURALIZED (native to Europe); Annual; Mark A. Elvin 2385 [UCR], Rebecca E. Crowe 462 [IRVC]
CSS, G, NATIVE, Perennial
Lactuca serriola L. - Prickly Lettuce
R, NATURALIZED (native to Europe); Annual
Logfia gallica (L.) Coss. & Germ. - Narrow-Leaf Cottonrose
NATURALIZED (native to Mediterranean); Rebecca E. Crowe 465 [IRVC]
Pluchea odorata (L.) Cass. - Salt Marsh Fleabane
W, NATIVE, Annual, Perennial
NATIVE, Annual, Perennial; Rebecca E. Crowe 467 [IRVC]
NATIVE, Annual, Perennial
Senecio vulgaris - Common Groundsel
CSS, G, NATURALIZED, Annual
G, NATURALIZED (native to Mediterranean); Annual, Biennial
NATURALIZED (native to South America)
Sonchus asper (L.) Hill - Prickly Sow-Thistle
W,G, NATURALIZED (native to Europe); Annual
Sonchus oleraceus L. - Common Sow-Thistle
CSS, G, R, NATURALIZED (native to Europe); Annual
CSS, G, R, NATIVE, Annual
Stylocline gnaphaloides Nutt. - Everlasting Nest-Straw
CSS, NATIVE, Annual; Mark A. Elvin 2391 [UCR]
CSS, G, NATIVE, Annual
CSS, G, R, NATIVE, Annual
CSS, NATIVE, Annual
CSS, G, NATIVE, Annual
CSS, G, R, NATURALIZED (native to Europe); Annual; Rebecca E. Crowe 458 [IRVC]
Brassica rapa L. - Wild Turnip
R, NATURALIZED (native to Europe); Annual, Biennial
G,R, NATURALIZED (native to Eurasia); Annual
NATIVE, Annual
CSS, NATIVE, Annual
CSS, G, R, NATURALIZED (native to Mediterranean); Annual, Perennial
Lepidium lasiocarpum Nutt. - Sand Peppergrass
CSS, G, NATIVE, Annual; D.E. Bramlet 5322 [UCR]
Lepidium nitidum Nutt. - Shining Peppergrass
CSS, G, NATIVE, Annual; Mark A. Elvin 2229 [UCR]
Lepidium virginicum L. - Virginia Peppercress
G,R, NATURALIZED (native to Mediterranean, Europe); Annual, Perennial
Raphanus sativus L. - Wild Radish
G, NATURALIZED (native to Mediterranean, Europe); Annual, Biennial; Mark A. Elvin 2235 [UCR], A. B. McGee s.n. [IRVC]
R, NATURALIZED (native to Eurasia); Annual
Sisymbrium irio L. - London Rocket Mustard
CSS, G, NATURALIZED (native to Europe); Annual
Sisymbrium orientale L. - Oriental Hedge Mustard
CSS, G, NATURALIZED (native to Eurasia); Annual
CSS, NATIVE, Perennial
CSS, NATIVE, Perennial; J. S. Folsom 26 [LOB]
Opuntia oricola Philbrick - Chaparral Prickly-Pear
CSS, NATIVE, Perennial; Mark A. Elvin 2234 [UCR]
Opuntia × occidentalis - Western Prickly-Pear
CSS, NATIVE, Perennial
R, NATIVE, Perennial
Silene gallica L. - Windmill Pink
G,R, NATURALIZED (native to Europe); Annual; Gordon A. Marsh s.n. [IRVC]
Spergula arvensis L. - Stickwort, Starwort
G, NATURALIZED (native to Europe); Annual; Cheryl A. Lawson 433 [CSLA]
G,R, NATURALIZED (native to southern South America); Perennial
Stellaria media (L.) Vill. - Common Chickweed
G, NATURALIZED (native to southwestern Europe); Annual; Mark A. Elvin 2238 [UCR]
Stellaria nitens Nutt. - Shining Chickweed
CSS, NATIVE, Annual
CSS, NATIVE, Perennial; Rebecca E. Crowe 468 [IRVC]
Convolvulus arvensis L. - Field Bindweed
G,R, NATURALIZED (native to Europe); Perennial
Cuscuta californica Hook. & Arn. - California/Chaparral Dodder
CSS, NATIVE, Annual
CSS, G, NATIVE, Annual
CSS, NATIVE, Perennial
CSS, NATIVE, Perennial
CSS, NATIVE, Perennial
Cucurbita foetidissima Kunth - Stinking Gourd, Calabazilla
CSS, NATIVE, Perennial; Mark A. Elvin 2398 [UCR]
Marah macrocarpa (Greene) Greene - Wild Cucumber, Man-root
G, NATIVE, Perennial
W, NATIVE, Perennial
W, NATIVE, Perennial
CSS, NATIVE, Perennial, Note: A recent name change from Chamaesyce albomarginata (Torr. & A. Gray) See: Jepson eFlora Treatment
CSS, G, R, NATIVE, Perennial, Note: A recent name change from Chamaesyce polycarpa (Benth.) See: Jepson eFlora Treatment
CSS, G, R, NATURALIZED (native to West Indies, S America); Annual, Note: A recent name change from Chamaesyce prostrata (Aiton) See: Jepson eFlora Treatment
Croton setiger Hook. - Doveweed, Turkey Mullein
G,R, NATIVE, Annual
CSS, G, NATIVE, Perennial
CSS, Annual, NATIVE, source: Jepson eflora
Acmispon strigosus (Nutt.) Brouillet - Bishop’s/Strigose Lotus
CSS, R, Annual, NATIVE; Gordon A. Marsh 1981-04-15 [IRVC]
Lupinus bicolor Lindl. - Miniature Lupine
R, Annual, NATIVE; P.A. Bowler s.n. [IRVC]
R, Annual, NATIVE
CSS, annual, NATIVE
R, annual, NATURALIZED
R, Annual, NATURALIZED
G, Annual, NATIVE
R, Annual, NATURALIZED
R, Annual, NATIVE
Quercus agrifolia Née - Coast Live Oak
CSS, Annual, NATIVE, Persisting from mitigation planting
Quercus chrysolepis Liebm. - canyon live oak
R, biennial, NATIVE, Persisting from mitigation planting
CSS, W, Annual, NATIVE
Erodium botrys (Cav.) Bertol. - Long-Beak Filaree/Storksbill
G R, Annual, NATURALIZED
Erodium cicutarium (L.) L'Hér. ex Aiton - Red-Stem Filaree/Storksbill
CSS G R, Annual, NATURALIZED; P. A. Bowler s.n. [IRVC]
Erodium moschatum (L.) L'Hér. ex Aiton - White-Stem Filaree/Storksbill
G, Annual, Biennial, NATURALIZED
CSS, Annual, NATIVE
CSS, Annual, NATIVE
Phacelia parryi Torr. - Parry’s Phacelia
CSS, Annual, NATIVE
CSS, Annual, NATIVE
NATIVE
Annual, perennial herb, NATIVE
CSS, G, R, Perennial, NATURALIZED
CSS, Perennial, NATIVE, Transplanted
Scutellaria tuberosa Benth. - Danny's skullcap
G, Perennial, NATIVE
G, Perennial, NATIVE
Stachys rigida Nutt. ex Benth. - Rigid Hedge-Nettle
Calochortus catalinae S.Watson - Catalina Mariposa Lily
NATIVE; Rare plant rankings: 4.2 S3S4 G3G4, Recorded decades ago and has not been seen for many years. No EP herbarium specimens are documented for Calochortus catalinae.
NATIVE
Lythrum hyssopifolia L. - hyssop loosestrife
VP, Annual, NATURALIZED
VP, Annual, NATURALIZED
A G R, Annual, NATURALIZED
Perennial, Persisting from mitigation planting; Mark A. Elvin 2231 [UCR], A.B. McGee s.n. [IRVC]
G, Perennial, NATIVE
G, Annual, NATIVE
R, Annual, NATURALIZED
P W G, Annual, NATURALIZED, *Bowler and Bramlet 2010 note that there are three species of Eucalyptus
G, Annual, NATIVE, plant synonym: Oxybaphus laevis Benth.
Epilobium canum (Greene) P.H. Raven - California Fuchsia, Hummingbird Trumpet
P CSS, Perennial herb, NATIVE
Oxalis pes-caprae L. - African Wood-Sorrel
CSS, Perennial, NATURALIZED
G, annual, perennial taproot, NATIVE
Diplacus australis McMinn - Southern Monkey Flower
CSS, W, Annual, NATIVE, author name change:*Diplacus x australis (Munz) Tulig
W, Perennial, NATURALIZED
CSS, Annual, rarely biennial, NATIVE
R, Annual, NATIVE
Plantago elongata Pursh - prairie plantain
VP, W, Annual, NATIVE
Plantago erecta E. Morris - Dot-Seed Plantain
G, Annual, NATIVE; Karlin G. Marsh s.n. [RSA]
Plantago ovata Forssk. - Woolly Plantain
W, Annual, NATIVE
W, Annual, NATIVE
Platanus racemosa Nutt. - Western Sycamore
CSS, Annual, NATIVE, Persisting from mitigation planting
Limonium perezii (Stapf) F.T. Hubb. - Perez’s Marsh-Rosemary
CSS, NATURALIZED (native to Canary Islands), Perennial
Avena barbata Pott ex Link - Slender Wild Oat
CSS, NATURALIZED , (native to southern Europe, northern Africa to India), Annual
Avena fatua L. - Insipid Wild Oat
CSS, NATURALIZED , (native to Eurasia), Annual; Rebecca E Crowe 650 [IRVC]
G, NATURALIZED , (origin in Near East), Annual
A G, NATURALIZED , (native to southern Europe), Annual; Rebecca E. Crowe 461 [IRVC]
G, NATURALIZED , (native to South America), Annual
Bromus diandrus Roth - Ripgut Grass
G, R, NATURALIZED , (native to Europe), Annual
G, R, NATURALIZED , (native to Europe), Annual; Rebecca E Crowe 651 [IRVC]
Bromus rubens L. - Red Brome
G, NATURALIZED , (native to Europe), Annual; Mark A. Elvin 2392 [UCR], Rebecca E Crowe 648 [IRVC], P.A. Bowler s.n. [IRVC]
G, NATURALIZED , (native to Africa), Perennial
W, NATIVE , Perennial
W, CSS, NATIVE , Perennial
Elymus triticoides Buckley - Beardless Wild-Rye
W, NATIVE , Perennial
Festuca myuros L. - Rat-Tail Fescue
CSS, G, R, NATURALIZED , (probably native to Europe), Annual
Festuca perennis (L.) Columbus & J.P.Sm. - Perennial/Italian Rye Grass
G, NATIVE , Annual
G, NATIVE , Annual
G, NATURALIZED , (native to Mediterranean), Annual
Hordeum murinum L. - Wall Barley
G, NATURALIZED, (native to Europe and N. Africa), Annual; Mark A. Elvin 2393 [UCR]
CSS, R, NATURALIZED , (native to Mediterranean), Annual
Melica imperfecta Trin. - Coast Range Melic
CSS, NATIVE , Annual; Mark A. Elvin 2397 [UCR]
CSS, NATIVE , Annual
Phalaris minor Retz. - Little-Seed Canary Grass
G, NATURALIZED , (native to Mediterranean), Annual
G, NATURALIZED , (native to Mediterranean Europe), Annual; Anderson, J. 620 [UCSB]
Poa secunda J. Presl - One-Sided Blue Grass
CSS, NATIVE , Perennial
W, VP, NATURALIZED , (native to southern and western Europe), Annual
W, VP, NATURALIZED , (native to Europe, northern Africa, western Asia), Perennial
Schismus barbatus (L.) Thell. - Mediterranean Schismus
CSS, G, R, NATURALIZED, (native to southern Europe, Africa), Annual
W, NATURALIZED , (native to Mediterranean), Perennial
Stipa lepida Hitchc. - Foothill Needle Grass
CSS, G, NATIVE , Perennial
Stipa pulchra Hitchc. - Purple Needle Grass
G, NATIVE , Perennial
CSS, NATIVE , Annual
R, NATURALIZED , (native to Europe), Perennial
Rumex crispus L. - Curly Dock
CSS, R, VP, NATURALIZED , (native to Eurasia), Perennial
Portulaca oleracea L. - Common Purslane
G, R, NATURALIZED , (probably native to eastern hemisphere), Annual
G, NATIVE , Perennial
Adiantum jordanii C.H. Mull. - California Maidenhair Fern
CSS, NATIVE , Perennial
CSS, NATIVE , Perennial
W, NATIVE , Perennial
Galium aparine L. - Common Bedstraw, Goose Grass
CSS, NATIVE , Annual; Gordon A. Marsh s.n. [IRVC]
Galium parisiense L. - Wall Bedstraw
CSS, NATURALIZED , (native to Mediterranean), Annual; Rebecca E. Crowe 642 [IRVC]
Salix gooddingii C.R.Ball - Goodding’s Black Willow
W, NATIVE , Perennial, Persisting from mitigation planting
Salix lasiolepis Benth. - Arroyo Willow
W, NATIVE , Perennial, Planted
W, NATIVE , Perennial, Persisting from mitigation planting
Datura wrightii Regel - Western Jimson Weed
G, NATIVE , Perennial or Annual
CSS, G, R, NATURALIZED , (native to South America), Perennial; Mark A. Elvin 2394 [UCR]
Nicotiana quadrivalvis Pursh - Four-Valved Tobacco
CSS, NATIVE , Annual
Solanum douglasii Dunal - Douglas’s Nightshade
CSS, NATIVE , Perennial
Tamarix ramosissima Ledeb. - Saltcedar Tamarisk
W, NATURALIZED , (native to Asia), Perennial
CSS, G, NATIVE , Perennial; Rebecca E. Crowe 469 [IRVC]
CSS, G, NATIVE , Perennial
CSS, G, NATIVE , Perennial; P.A. Bowler s.n. [IRVC]
G, NATIVE , Perennial
Typha domingensis Pers. - Southern Cattail
W, NATIVE , Perennial
Typha latifolia L. - Broad-Leaf Cattail
W, NATIVE , Perennial
CSS, NATIVE , Annual; Gordon A. Marsh s.n. [IRVC]
Parietaria hespera Hinton - Western Pellitory
CSS, NATIVE , Annual
CSS, NATIVE , Annual; Mark A. Elvin 2242 [UCR]
Urtica urens L. - Dwarf Nettle
G, W, NATURALIZED , (native to Europe), Annual