CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record sidalcea_keckii - Thu, Dec. 2, 2021, 05:08 ET b
Sidalcea keckii
common nameKeck's checkerbloom
CalPhotos image
more photos
© 2000 Chuck Peck  Follow image link for photo data.
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
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 listingEndangered  02/16/00
where found
MAPS - Use v8 link below.

Topographic quads (15):
White River (286D) 3511877, Success Dam (309C)* 3611818, Porterville (310D)* 3611911, Humphreys Station (377B) 3611984, Piedra (377C) 3611974, Pine Flat Dam (377D) 3611973, Yosemite Lake (421B) 3712044, Birds Landing (481A)? 3812127, Capell Valley (499B) 3812242, Monticello Dam (515D)? 3812251, Jericho Valley (532C)? 3812274, Knoxville (532D)? 3812273, Manor Slough (547A)? 3912223, Lodoga (563C)? 3912234, Gilmore Peak (564D)? 3912235
quad data info

Counties, states, regions:
Colusa (COL)?, Fresno (FRE), Merced (MER), Napa (NAP)?, Solano (SOL)?, Tulare (TUL), Yolo (YOL)?
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Cismontane woodland (CmWld)
•Valley and foothill grassland (VFGrs)/serpentinite, clay
blooming period Apr-May(Jun),   Months in parentheses are uncommon.
elevation range75 - 650 meters
Rediscovered in 1992 by J. Stebbins and K. Kirkpatrick; known from only three occurrences. Plants from inner north coast ranges may actually be S. diploscypha; needs study. See Contributions from the Dudley Herbarium 3:55-56 (1940) for original description.
full nameSidalcea keckii Wiggins
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  SIKE Element Code  PDMAL110D0
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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