CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record camissoniopsis_hardhamiae - Thu, Dec. 2, 2021, 01:56 ET b
Camissoniopsis hardhamiae
common nameHardham's evening-primrose
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life formannual herb
CA Rare Plant Rank
List 1B.2
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.2: Fairly endangered in California
state rank
S2      ranking system key
global rank
G2     G2: 6-20 occurrences OR 1,000-3,000 individuals OR 2,000-10,000 acres
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (12):
Camatta Ranch (245A) 3512043, Wilson Corner (245B) 3512044, Santa Margarita Lake (245C) 3512034, Santa Margarita (246A) 3512045, Morro Bay South (247D) 3512037, Pebblestone Shut-in (271A) 3512161, Valleton (293B) 3512086, San Miguel (293C) 3512076, Hames Valley (294B) 3512088, Bradley (294D) 3512077, Slack Canyon (316C) 3612016, Bear Canyon (319D) 3612113
quad data info

Counties, states, regions:
Monterey (MNT), San Luis Obispo (SLO)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)
•Cismontane woodland (CmWld)/sandy, decomposed carbonate, disturbed or burned areas
blooming period Mar-May  
elevation range140 - 945 meters
Threatened by proposed road construction in SLO Co; also threatened by grazing, mining, military activities, non-native plants, road maintenance, and vehicles. See Contributions from the U.S. National Herbarium 37(5):301 (1969) for original description.
full nameCamissoniopsis hardhamiae (P.H. Raven) W.L. Wagner & Hoch
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDONA030N0
Jepson Online Jepson Interchange  Jepson Manual and other resources
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Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Thu, Dec. 2, 2021 from

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