CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record erythranthe_percaulis - Wed, Dec. 8, 2021, 15:05 ET b
Erythranthe percaulis
common nameSerpentine Canyon monkeyflower
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life formannual herb
CA Rare Plant Rank
List 1B.1
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously 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 listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (1):
Caribou (606C) 4012112
quad data info

Counties, states, regions:
Plumas (PLU)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)
•Lower montane coniferous forest (LCFrs)(openings)/Serpentinite; rocky, cliffs and slopes, seeps, roadsides
blooming period (Mar),May(Jun),   Months in parentheses are uncommon.
elevation range780 - 855 meters
Rediscovered in 2016 by S. Schoenig at the type locality. Potentially threatened by road maintenance. See Phytoneuron 2013-70:1-6 (2013) for original description, and Phytoneuron 2016-69:1-14 (2016) for discussion of rediscovery.
full nameErythranthe percaulis Nesom
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDPHR01140
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 Wed, Dec. 8, 2021 from

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