CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record boechera_cobrensis - Sun, Dec. 5, 2021, 06:56 ET b
Boechera cobrensis
common nameMasonic rockcress
CalPhotos image
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life formperennial herb
CA Rare Plant Rank
List 2B.3
LIST 2B: Rare, threatened, or endangered in California, but more common elsewhere.
     0.3: Not very endangered in California
state rank
S3      ranking system key
global rank
G5     G5: demonstrably secure to ineradicable
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (22):
Telescope Peak (302A) 3611721, Bonita Meadows (307D) 3611813, Waucoba Spring (391C) 3711718, Watterson Canyon (433B) 3711866, Whitmore Hot Springs (434A) 3711867, Old Mammoth (434B) 3711868, Convict Lake (434D) 3711857, Glass Mountain (451C) 3711876, Mono Mills (452B) 3711888, Dexter Canyon (452D) 3711877, June Lake (453D) 3711971, Bodie (470A) 3811921, Big Alkali (470B) 3811922, Lundy (470C) 3811912, Negit Island (470D) 3811911, Twin Lakes (471A) 3811923, Aurora (486C) 3811838, Bridgeport (487C) 3811932, Chris Flat (488B) 3811944, Fales Hot Springs (488C) 3811934, Risue Canyon (504C) 3811954, Eagle Peak (690C) 4112032
quad data info

Counties, states, regions:
Inyo (INY), Mono (MNO), Modoc (MOD), Tulare (TUL), Idaho (ID), Nevada (NV), Oregon (OR), Wyoming (WY)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Great Basin scrub (GBScr)
•Pinyon and juniper woodland (PJWld)/sandy
blooming period Jun-Jul  
elevation range1375 - 3105 meters
Possibly threatened by development and road maintenance. See Rhodora 43(511):455-457 (1941) for taxonomic treatment.
full nameBoechera cobrensis (M.E. Jones) Dorn
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDBRA06080
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 Sun, Dec. 5, 2021 from

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