Species At Their Range Limit

Scientific NameCommon NameCNPS-EB RankRange Limits
Acanthomintha lanceolataSanta Clara thornmint*A2N Limit
W Limit
Allenrolfea occidentalisiodine bushCN Limit
W Limit
Allium acuminatumHooker's onionA1S Limit
W Limit
Allium bolanderi var. bolanderiBolander's onionA1S Limit
Allium crispumcrinkled onionA1N Limit
Allium sharsmithiaeSharsmith's onion*A1N Limit
Allium unifoliumone-leaved onionCW Limit
Amsinckia grandifloralarge-flowered fiddleneck*A1S Limit
W Limit
Amsinckia vernicosawaxy fiddleneck, forked fiddleneckA1N Limit
Arctostaphylos crustacea subsp. roseiRose's manzanitaA1N Limit
Arctostaphylos glaucabig-berried manzanitaCN Limit
Arnica discoidearayless arnicaBS Limit
Asarum caudatumwild-gingerBE Limit
Asclepias californicaCalifornia milkweedCN Limit
Asclepias cordifoliapurple milkweedA1S Limit
Asclepias speciosashowy milkweed, milkweedA2S Limit
Astragalus asymmetricusSan Joaquin locoweeedCN Limit
Astragalus tener var. teneralkali milkvetch*A2W Limit
Atriplex argentea var. expansasilverscaleBW Limit
Atriplex depressabrittlescale*A2W Limit
Atriplex leucophyllabeach saltbushA2E Limit
Atriplex minusculaLESSER SALTSCALE*A2W Limit
Balsamorhiza macrolepisbig-scale balsamroot*A1S Limit
Blepharizonia laxabig tarplantBN Limit
W Limit
Blepharizonia plumosabig tarplant*A2N Limit
W Limit
Calamagrostis rubescenspine reed grass, pine grassBE Limit
Calochortus clavatus var. pallidusclub-haired mariposa-lilyA1N Limit
Calochortus invenustusplain mariposa-lilyA1xN Limit
Calycadenia multiglandulosasticky calycadeniaA2E Limit
Calystegia malacophylla subsp. pedicellatawoolly morning-gloryA2N Limit
Calystegia sepium subsp. limnophilahedge bindweedBW Limit
Campanula exiguachaparral harebell*A2N Limit
Carex harfordiiHarford's sedge, Monterey sedgeA2E Limit
Carex leporinahare sedge, oval sedge, mountain hare sedgeA1S Limit
Carex unilateralisone-sided sedgeA1S Limit
Castilleja rubicundula subsp. lithospermoidescream sacsBS Limit
Ceanothus leucodermischaparral whitethornA2N Limit
Centromadia parryi subsp. congdoniiCongdon's tarplant*A2N Limit
Chaenactis glabriuscula var. megacephalayellow pincushionA1N Limit
Chloropyron molle subsp. hispidumhispid salty bird's-beak, hispid bird's-beak*A1W Limit
Chloropyron molle subsp. mollesoft salty bird's-beak, soft bird's-beak*A2E Limit
S Limit
Chloropyron palmatumpalmate salty bird's-beak, palmate-bracted bird's-beak*A1W Limit
Cirsium douglasii var. douglasiiswamp thistleA1S Limit
Clarkia biloba subsp. bilobalobed godetiaA2W Limit
Clarkia breweriBrewer's clarkia*A1N Limit
Clarkia concinna subsp. automixaSanta Clara red ribbons*A2N Limit
Clarkia franciscanaPresidio clarkia*A1W Limit
Clarkia tembloriensis subsp. tembloriensistemblor clarkiaA1N Limit
W Limit
Collinsia bartsiifolia var. strictawhite Chinese housesA1?N Limit
Cordylanthus rigidus subsp. rigidusstiffly-branched bird's-beakA1N Limit
Croton californicusCalifornia crotonA2N Limit
E Limit
Cryptantha juniperensisNevada cryptanthaA1N Limit
Cryptantha muricata var. unknownprickly cryptanthaA1?N Limit
Cyperus odoratuscoarse cyperusA1xW Limit
Delphinium californicum subsp. interiusHospital Canyon larkspur*A2N Limit
Delphinium decorum subsp. decorumcoast larkspurBS Limit
Delphinium gypsophilumgypsum-loving larkspurA1N Limit
Delphinium hansenii subsp. hanseniiHansen's larkspurA2W Limit
Delphinium parryi subsp. parryiParry's larkspurA2N Limit
Descurainia pinnata subsp. brachycarpatansy mustardA1xN Limit
Dirca occidentaliswestern leatherwood*A2E Limit
Draba cuneifoliaSonora drabaA1N Limit
Dudleya cymosa subsp. cymosaspreading dudleyaA1S Limit
Dudleya cymosa subsp. paniculataspreading dudleyaCN Limit
Dudleya farinosabluff lettuce, powdery dudleyaA2E Limit
Ephedra californicadesert tea, Mormon teaA1?N Limit
Ephedra viridisgreen ephedraA1?N Limit
Epilobium cleistogamumcleistogamous boisduvaliaA1W Limit
Eremalche parryi subsp. parryiParry's mallowA1W Limit
Eremothera boothii subsp. decorticansshredding evening-primroseA1N Limit
W Limit
Eriastrum pluriflorum subsp. pluriflorummany-flowered eriastrumA1N Limit
W Limit
Ericameria nauseosa var. mohavensisMojave rabbitbrush, rubber rabbitbrushA2N Limit
W Limit
Erigeron reductus var. angustatusCalifornia rayless daisyA1S Limit
Eriogonum angulosumangle-stem wild buckwheat, angle-stemmed eriogonumBN Limit
Eriogonum covilleanumCoville's wild buckwheat, Coville's eriogonumA2N Limit
Eriogonum fasciculatum var. foliolosumleafy California buckwheat, California buckwheatA1N Limit
Eriogonum fasciculatum var. polifoliumMojave desert California buckwheat, California buckwheatA1N Limit
Eriogonum inerme var. inermeunarmed buckwheatA1N Limit
Eriophyllum jepsoniiJepson's woolly sunflower*A2N Limit
Eriophyllum staechadifoliumseaside woolly sunflower, lizard-tailA2E Limit
Eryngium aristulatum var. hooveriHoover's button-celery*A1N Limit
Eryngium articulatumbeethistle, coyote-thistleA1S Limit
Eryngium jepsonii*A2S Limit
W Limit
Eryngium racemosumdelta button-celery*A1xW Limit
Eryngium spinosepalum*A1N Limit
W Limit
Eschscholzia rhombipetaladiamond-petaled California poppy*A1N Limit
W Limit
Forestiera pubescensdesert oliveBN Limit
Fritillaria falcatatalus fritillary*A1N Limit
Gilia achilleifolia subsp. achilleifoliaCalifornia giliaCN Limit
Glyceria leptostachyanarrow manna grass, Davy's mannagrassA1S Limit
Helianthella californica var. californicaCalifornia helianthellaA2S Limit
Helianthus gracilentusslender sunflowerBN Limit
E Limit
Hemizonia congesta subsp. lutescenshayfield tarweedBS Limit
Hesperocyparis sargentiiSargent cypressA1E Limit
Hesperolinon clevelandiiCleveland's dwarf flaxA1S Limit
Heterotheca oregona var. scaberrimaOregon goldenasterA1N Limit
Heterotheca sessiliflora subsp. bolanderiBolander goldenasterCE Limit
Holocarpha macradeniaSanta Cruz tarplant*A1N Limit
Holocarpha obconicaSan Joaquin tarplantBW Limit
Horkelia californica var. frondosaleafy horkeliaBN Limit
Juncus ensifoliusdagger rush, swordleaved rush, three-stamened rushA1?S Limit
Juncus phaeocephalus var. phaeocephalusbrownheaded rushA2E Limit
Keckiella breviflora var. brevifloragaping penstemonA2N Limit
Lasthenia conjugensContra Costa goldfields*A2E Limit
Lasthenia ferrisiaeFerris' goldfields*A1W Limit
Lasthenia glaberrimasmooth goldfieldsBS Limit
Lasthenia microglossasmall-ray goldfieldsA2N Limit
Lathyrus jepsonii var. jepsoniidelta tule pea, Delta tule pea*A2W Limit
Layia hieracioidestall layiaBN Limit
Leptosiphon ambiguusserpentine leptosiphon, serpentine linanthus*A2N Limit
Leptosyne calliopsidealeafy-stemmed coreopsisA1N Limit
W Limit
Leptosyne hamiltoniiMount Hamilton coreopsis*A1N Limit
Lessingia pectinata var. tenuipesvalley lessingiaA2N Limit
Lessingia tenuisspring lessingia*A2N Limit
Lilaeopsis masoniiMason's lilaeopsis*A2W Limit
Lomatium caruifolium var. caruifoliumcaraway-leaved lomatiumA2E Limit
Lonicera involucrata var. ledebouriiblack twinberryCE Limit
Lonicera subspicata var. denudatamoronelCN Limit
Lupinus arboreusyellow bush lupineA2E Limit
Lupinus concinnusBajada lupineA1W Limit
Malacothrix coulterisnake's-headA1N Limit
W Limit
Meconella oreganaOregon meconella*A1N Limit
Mentzelia affinishydra stick-leaf, Hydra stick-leafA2N Limit
W Limit
Microseris acuminataSierra Foothills microserisA1S Limit
W Limit
Microseris campestrisSan Joaquin microserisA1W Limit
Microseris sylvaticasylvan microseris*A1W Limit
Mirabilis laevis var. crassifoliawishbone bush, California four o'clockA1N Limit
W Limit
Monolepis nuttallianaNuttall's poverty weed, poverty weedA1W Limit
Monolopia gracilenswoodland woollythreads, woodland monolopia*A2N Limit
Monolopia lanceolatacommon hillside daisy, common monolopiaA1N Limit
W Limit
Morella californicawax myrtleBE Limit
Navarretia hamata subsp. parvilobahooked navarretiaA1N Limit
Navarretia heterandraTehama navarretia*A1S Limit
Navarretia nigelliformis subsp. nigelliformisadobe navarretia*A2?N Limit
Navarretia nigelliformis subsp. radiansshining navarretia*A1N Limit
Navarretia prostrataprostrate vernal pool navarretia*A1N Limit
Navarretia viscidulasticky navarretiaA1S Limit
Oenothera deltoides subsp. cognatadesert evening-primroseA2N Limit
Osmorhiza brachypodaCalifornia cicelyCN Limit
Oxalis oreganaredwood sorrelA1E Limit
Packera breweriBrewer's ragwort, Brewer's butterweedCN Limit
W Limit
Papaver californicumfire poppyA2N Limit
Parietaria hespera var. californicaCalifornia pellitoryA1N Limit
Pediomelum californicumindian breadrootA2N Limit
Perideridia californicaCalifornia yampahCN Limit
Petunia parviflorawild petuniaA1N Limit
Phacelia breweriBrewer's phaceliaCN Limit
W Limit
Phacelia douglasiiDouglas' phaceliaA1N Limit
Phacelia nemoralis var. nemoralisstinging phaceliaCW Limit
Phacelia phacelioidesMount Diablo phacelia*A2N Limit
W Limit
Pinus coulteriCoulter pineBN Limit
Plagiobothrys glaberhairless popcornflower*A1N Limit
Plagiobothrys trachycarpusrough-nutlet popcornflower, rough-fruited allocaryaCN Limit
Platanus racemosawestern sycamore, California sycamoreCN Limit
W Limit
Pleuropogon californicus var. californicussemaphore grassBS Limit
Polypodium scoulerileather-leaf fernA1E Limit
Potentilla anserina subsp. pacificaPacific silverweedA2E Limit
Quercus palmeriPalmer's oakA2N Limit
Quercus parvula var. shreveiisland scrub oakA1E Limit
Ranunculus lobbiiLobb's aquatic buttercup*A2E Limit
Ribes aureum var. gracillimumgolden currantA2N Limit
Ribes quercetorumoakwoods gooseberry, oak gooseberryBN Limit
Sanicula laciniatacoast sanicleA2E Limit
Sanicula saxatilisrock sanicle*A2N Limit
Scutellaria californicaCalifornia skullcapA2S Limit
Scutellaria siphocampyloidesgray-leaved skullcapA1N Limit
Senecio aronicoidesrayless ragwort, California butterweedCS Limit
Senecio hydrophiluswater ragwort, alkali-marsh ragwort, alkali-marsh butterweedA1S Limit
Silene verecundaSan Francisco campion, Cuyamaca campionA1N Limit
Sporobolus airoidesalkali sacatonA1W Limit
Streptanthus breweriBrewer's streptanthusA1N Limit
Thysanocarpus laciniatuslacepodBN Limit
Trifolium dichotomumbranched indian cloverBS Limit
Trifolium macraeiMacrae's clover, double-headed cloverA1E Limit
Triglochin striatathree-ribbed arrow-grassBE Limit
Trillium ovatum subsp. ovatumwhite trilliumBE Limit
S Limit
Tropidocarpum capparideumcaper-fruited tropidocarpum*A1N Limit
Vaccinium ovatumCalifornia huckleberryCE Limit
Verbena hastatablue vervainA1W Limit
Viburnum ellipticumoval-leaved viburnum*A1S Limit
W Limit
Viola sempervirensevergreen violet, redwood violetA1E Limit