CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record rosa_gymnocarpa_var._serpentina - Wed, Dec. 8, 2021, 10:05 ET b
Rosa gymnocarpa var. serpentina
common nameGasquet rose
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life form rhizomatous shrub
CA Rare Plant Rank
List 1B.3
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.3: Not very endangered in California
state rank
S2      ranking system key
global rank
G5T3T4      ranking system key
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (5):
Grouse Mountain (670C) 4012376, City Of Mount Shasta (699D) 4112233, Preston Peak (738D)? 4112375, Gasquet (739C) 4112378, Hurdygurdy Butte (739D) 4112377
quad data info

Counties, states, regions:
Del Norte (DNT), Humboldt (HUM), Siskiyou (SIS)?, Oregon (OR)
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)/Serpentinite. Often roadsides, sometimes ridges, streambanks, and openings.
blooming period Apr-Jun(Aug),   Months in parentheses are uncommon.
elevation range400 - 1725 meters
Known only from the Siskiyou Mtns. Of CA and OR. Possibly threatened by foot traffic and vehicles. Identification of specimen from SIS Co. needs verification; field surveys needed. Similar to R. spithamea. Not in TJM (1993). See Madroņo 55(2):170-177 (2008) for original description.
full nameRosa gymnocarpa Nutt. var. serpentina Ertter & W.H. Lewis
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDROS1J1V1
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. 8, 2021 from

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