CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record euphorbia_ocellata_ssp._rattanii - Sat, Dec. 4, 2021, 02:56 ET b
Euphorbia ocellata ssp. rattanii
common nameStony Creek spurge
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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
S3      ranking system key
global rank
G4T3      ranking system key
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (15):
Stonyford (564A) 3912245, Chrome (580A) 3912265, Elk Creek (580D) 3912255, Corning (594B) 3912282, Kirkwood (594C) 3912272, Henleyville (595A) 3912283, Sehorn Creek (595C) 3912274, Black Butte Dam (595D) 3912273, Paskenta (596A) 3912285, Hall Ridge (596C) 3912276, Newville (596D) 3912275, Cold Fork (612B) 4012226, Raglin Ridge (612C) 4012216, Lowrey (612D) 4012215, Inskip Hill (627C) 4012138
quad data info

Counties, states, regions:
Glenn (GLE), Tehama (TEH)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)
•Riparian scrub (RpScr)(streambank)
•Valley and foothill grassland (VFGrs)(sandy or rocky)
blooming period May-Oct  
elevation range65 - 800 meters
Threatened by foot trampling, recreational activities, and vehicles. Can be confused with ssp. ocellata. See Proceedings of the American Academy of Arts and Sciences 20:372 (1885) for original description, Phytologia 67(1):47 (1989) for revised nomenclature, and Taxon 55:397-420 (2006) for taxonomic treatment.
full nameEuphorbia ocellata Durand & Hilg. ssp. rattanii (S. Watson) Oudejans
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDEUP0D1P1
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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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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