CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record allium_marvinii - Mon, Dec. 6, 2021, 22:18 ET b
Allium marvinii
common nameYucaipa onion
CalPhotos image
more photos
© 2006 Chris Wagner, SBNF  Follow image link for photo data.
life form bulbiferous 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 (3):
Beaumont (084B) 3311688, El Casco (085A) 3311781, Forest Falls (105C) 3411618
quad data info

Counties, states, regions:
Riverside (RIV), San Bernardino (SBD)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)(clay, openings)
blooming period Apr-May  
elevation range760 - 1065 meters
Known only from the Yucaipa and Beaumont area of the southern San Bernardino Mtns. Threatened by non-native plants, urbanization and alteration of fire regimes. Not in TJM (1993). See Bulletin of the Southern California Academy of Sciences 20:49 (1921) for original description.
full nameAllium marvinii A. Davids.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PMLIL02330
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 Mon, Dec. 6, 2021 from

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