CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record collinsia_corymbosa - Sat, Dec. 4, 2021, 18:29 ET b
Collinsia corymbosa
common nameround-headed Chinese-houses
CalPhotos image
more photos
Robert Potts © 2001 California Academy of Sciences  Follow image link for photo data.
life formannual herb
CA Rare Plant Rank
List 1B.2
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.2: Fairly 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.
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (7):
Palo Alto (428B) 3712242, San Francisco South (448B) 3712264, San Francisco North (466C)* 3712274, Bolinas (467B) 3712286, Fort Bragg (569A) 3912347, Inglenook (585D) 3912357, Eureka (672C) 4012472
quad data info

Counties, states, regions:
Humboldt (HUM), Mendocino (MEN), Marin (MRN)?, Santa Clara (SCL), San Francisco (SFO)*, Sonoma (SON)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Coastal dunes (CoDns)
blooming period Apr-Jun  
elevation range0 - 20 meters
Scattered distribution. Need quads for HUM Co. and for "Russian colony" (SON Co.). May intergrade with C. bartsiifolia var. bartsiifolia. Possibly threatened by foot traffic.
full nameCollinsia corymbosa Herder
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  COCO2 Element Code  PDSCR0H060
CNPS chapter link chapter content  North Coast database for this species
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 Sat, Dec. 4, 2021 from

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