CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record euphorbia_hooveri - Sat, Dec. 4, 2021, 03:30 ET b
Euphorbia hooveri
common nameHoover's 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
S1      ranking system key
global rank
G1     G1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres.
CA state listingNone  
federal listingThreatened  03/26/97
where found
MAPS - Use v8 link below.

Topographic quads (11):
Ivanhoe (333B) 3611942, Monson (334A) 3611943, Turner Ranch (402B) 3712026, Cooperstown (441A) 3712065, Montpelier (441C) 3712056, Turlock Lake (441D) 3712055, Logandale (562B) 3912242, Hamlin Canyon (576B) 3912166, Richardson Springs NW (593B) 3912188, Nord (593C) 3912178, Vina (594A) 3912281
quad data info

Counties, states, regions:
Butte (BUT), Colusa (COL), Glenn (GLE), Merced (MER), Stanislaus (STA), Tehama (TEH), Tulare (TUL)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Vernal pools (VnPls)
blooming period Jul-Sep(Oct),   Months in parentheses are uncommon.
elevation range25 - 250 meters
Threatened by grazing, agriculture, and non-native plants. See Proceedings of the Biological Society of Washington 53:9 (1940) for original description, Madroņo 32(3):187-189 (1985) for alternative nomenclature, and Taxon 55:397-420 (2006) for taxonomic treatment.
full nameEuphorbia hooveri L.C. Wheeler
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDEUP0D150
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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