CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record crocanthemum_greenei - Mon, Nov. 29, 2021 00:05 ET c
Crocanthemum greenei
common nameisland rush-rose
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 form evergreen shrub
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
S3      ranking system key
global rank
G3     G3: 21-80 occurrences or 3,000-10,000 individuals OR 10,000-50,000 acres
CA state listingNone  
federal listingThreatened  07/31/97
where found
MAPS - Use v8 link below.

Topographic quads (13):
Santa Catalina Island East (SCTE), Santa Catalina Island North (SCTN), Santa Catalina Island South (SCTS), Santa Catalina Island West (SCTW), Santa Cruz Island A (SCZA), Santa Cruz Island B (SCZB), Santa Cruz Island C (SCZC), Santa Cruz Island D (SCZD), San Miguel Island East (SMIE), San Miguel Island West (SMIW)*, Santa Rosa Island East (SROE), Santa Rosa Island North (SRON), Santa Rosa Island South (SROS)
quad data info

Counties, states, regions:
Santa Catalina Isl. (SCT), Santa Cruz Isl. (SCZ), San Miguel Isl. (SMI)*, Santa Rosa Isl. (SRO)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Closed-cone coniferous forest (CCFrs)
•Chaparral (Chprl)
•Cismontane woodland (CmWld)
•Coastal scrub (CoScr)/Rocky, openings.
blooming period (Jan),Mar-Jul(Aug),   Months in parentheses are uncommon.
elevation range15 - 490 meters
Six occurrences were discovered between 1999 and 2006 on SRO Isl., where it had not been collected since the 1930's. Presumed extirpated on SMI Isl., where it was last collected in 1939. Increasing on SCZ Isl. After reduction of feral herbivore population. Threatened by herbivory from non-native deer on SCT Isl. Also threatened by altered fire regimes and non-native plants. Possibly threatened by erosion. Hybridizes with H. scoparium.
full nameCrocanthemum greenei (B.L. Rob.) Sorrie
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDCIS02090
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 Mon, Nov. 29, 2021 from

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