CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record holmgrenanthe_petrophila - Wed, Dec. 1, 2021, 20:20 ET b
Holmgrenanthe petrophila
common namerock lady
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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
S1      ranking system key
global rank
G1     G1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres.
CA state listingRare  07/82
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (3):
Wahguyhe Peak (368A) 3611781, Fall Canyon (368C) 3611772, Thimble Peak (368D) 3611771
quad data info

Counties, states, regions:
Inyo (INY)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Mojavean desert scrub (MDScr)(carbonate, rocky)
blooming period Apr-Jun  
elevation range515 - 1675 meters
Known from approximately ten occurrences in Titus and Fall canyons. USFWS uses the name Holmgrenanthe petrophila. See Journal of the Washington Academy of Sciences 25:291 (1935) for original description, and Systematic Botany Monographs 5:54-56 (1985) for revised nomenclature.
full nameHolmgrenanthe petrophila (Coville & C.V. Morton) Elisens
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDSCR2J010
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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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 Wed, Dec. 1, 2021 from

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