CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record stylocline_sonorensis - Wed, Dec. 8, 2021, 11:12 ET b
Stylocline sonorensis
common namemesquite neststraw
CalPhotos image
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life formannual herb
CA Rare Plant Rank
List 2A
LIST 2A: Presumed extinct in California, but extant elsewhere.
state rank
SX      ranking system key
global rank
G3G5      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (1):
Hayfield (062B)(*?) 3311566
quad data info

Counties, states, regions:
Riverside (RIV)(*?), Arizona (AZ), Sonora - Mexico (SO)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Sonoran desert scrub (SDScr)(sandy)
blooming period Apr  
elevation range425 - 425 meters
Known in CA from only a single collection (1930) at Hayfields Dry Lake. Possibly extirpated after 1930 by development. See Contributions from the Dudley Herbarium 4:26 (1950) for original description, and Madroņo 35(3):279 (1988) for the CA record.
full nameStylocline sonorensis Wiggins
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  STSO2 Element Code  PDAST8Y060
CalFlora species this taxon    CalFlora genus related taxa
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 Wed, Dec. 8, 2021 from

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