CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record horkelia_parryi - Thu, Dec. 2, 2021, 10:49 ET b
Horkelia parryi
common nameParry's horkelia
CalPhotos image
more photos
Charles Webber © 1998 California Academy of Sciences  Follow image link for photo data.
life formperennial 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
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (21):
Kinsley (438B) 3711968, Feliciana Mountain (438C) 3711958, Buckhorn Peak (439A) 3712061, Coulterville (439B) 3712062, Stanislaus (475A) 3812023, Murphys (475B) 3812024, Columbia SE (475D) 3812013, Calaveritas (476A) 3812025, Wallace (477B) 3812028, Rail Road Flat (493D) 3812035, Irish Hill (494B) 3812048, Ione (494C) 3812038, Carbondale (495A) 3812141, Camino (509B) 3812066, Omo Ranch (509D) 3812055, Placerville (510A) 3812067, Tunnel Hill (525B) 3812086, Slate Mountain (525C) 3812076, Georgetown (526A) 3812087, Coloma (526C) 3812078, Garden Valley (526D) 3812077
quad data info

Counties, states, regions:
Amador (AMA), Calaveras (CAL), El Dorado (ELD), Mariposa (MPA), Tuolumne (TUO)
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)/Ione formation and other soils
blooming period Apr-Sep  
elevation range80 - 1070 meters
Potentially threatened by clay mining, road maintenance, and erosion. Possibly threatened by vehicles and non-native plants.
full nameHorkelia parryi Greene
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  HOPA2 Element Code  PDROS0W0C0
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web

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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