CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record chaenactis_carphoclinia_var._peirsonii - Thu, Dec. 2, 2021, 01:48 ET b
Chaenactis carphoclinia var. peirsonii
common namePeirson's pincushion
CalPhotos image
No image is currently registered in our database. Users can help us by checking CalPhotos for recent additions, and then contacting us if any are found.
life formannual herb
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
G5T2      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (6):
Shell Reef (031A) 3311621, Borrego Mountain (031B) 3311622, Borrego Mountain SE (031D) 3311611, Borrego Sink (032A) 3311623, Seventeen Palms (046D) 3311631, Clark Lake (047D) 3311633
quad data info

Counties, states, regions:
Imperial (IMP), Riverside (RIV)?, San Diego (SDG)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Sonoran desert scrub (SDScr)(sandy)
blooming period Mar-Apr  
elevation range3 - 500 meters
Known only from the eastern Santa Rosa Mtns, where known from few collections. Possibly threatened by vehicles. Does plant occur in RIV Co.? See Madroņo 1(17):259 (1929) for original description, and Manual of Southern California Botany, p. 567 (1935) by P. Munz for revised nomenclature.
full nameChaenactis carphoclinia Gray var. peirsonii (Jeps.) Munz
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CHCAP2 Element Code  PDAST20042
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

pick and add to Plant Pressexplain the meaning of the fieldsFIRSTPREVIOUSNEXTLASTCNPS.ORGQuestions and CommentsHOMELOGIN (you are guest anonymous)   Web Oriented Database Home