CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record hesperolinon_sharsmithiae - Sun, Dec. 5, 2021, 17:34 ET b
Hesperolinon sharsmithiae
common nameSharsmith’s western flax
CalPhotos image
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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
S2      ranking system key
global rank
G2Q      ranking system key
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (10):
Capell Valley (499B) 3812242, Yountville (500A) 3812243, Walter Springs (516A) 3812263, Aetna Springs (516B) 3812264, St. Helena (516C) 3812254, Chiles Valley (516D) 3812253, Detert Reservoir (517A) 3812265, Jericho Valley (532C) 3812274, Lower Lake (533A) 3812285, Middletown (533D) 3812275
quad data info

Counties, states, regions:
Lake (LAK), Napa (NAP)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)/serpentinite
blooming period May-Jul  
elevation range270 - 300 meters
Threatened by development. Includes plants previously identified as H. tehamense and H. serpentinum ined. Similar to H. bicarpellatum, H. clevelandii, H. disjunctum, and H. tehamense. Not in TJM 2. See Madroño 53(4):404-408 (2006) for original description and The Four Seasons 13(4):1-54 (2010) for additional taxonomic information.
full nameHesperolinon sharsmithiae R. O’Donnell
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDLIN010E0
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 Sun, Dec. 5, 2021 from

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