CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record stylocline_citroleum - Thu, Dec. 2, 2021, 05:49 ET b
Stylocline citroleum
common nameoil neststraw
CalPhotos image
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life formannual herb
CA Rare Plant Rank
List 1B.1
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously endangered in California
state rank
S3      ranking system key
global rank
G3     G3: 21-80 occurrences or 3,000-10,000 individuals OR 10,000-50,000 acres
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (9):
Point Loma (011B) 3211762, Mouth Of Kern (216A) 3511923, Taft (216B) 3511924, Rio Bravo Ranch (239A)* 3511847, Oil Center (239B)* 3511848, East Elk Hills (241C) 3511934, Tupman (241D) 3511933, Reward (242C)* 3511936, West Elk Hills (242D) 3511935
quad data info

Counties, states, regions:
Kern (KRN), San Diego (SDG)*
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chenopod scrub (ChScr)
•Coastal scrub (CoScr)
•Valley and foothill grassland (VFGrs)/clay
blooming period Mar-Apr  
elevation range50 - 400 meters
Possibly threatened by energy development and urbanization. See Madroņo 39(2):123 (1992) for original description and Fremontia 27(1):12-15 (1999) for species account.
full nameStylocline citroleum Morefield
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  STCI10 Element Code  PDAST8Y070
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 Thu, Dec. 2, 2021 from

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