CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record mentzelia_tridentata - Sat, Dec. 4, 2021, 02:13 ET b
Mentzelia tridentata
common namecreamy blazing star
CalPhotos image
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life formannual herb
CA Rare Plant Rank
List 1B.3
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.3: Not very 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 (26):
In-ko-pah Gorge (007A) 3211661, Mesa Grande (034A) 3311627, Thermal Canyon (064A) 3311661, Indio (064B) 3311662, Parker (095A) 3411423, Old Woman Springs (130B) 3411646, Snaggletooth (147C) 3411456, Camp Rock Mine (155B) 3411666, Ord Mountain (156A) 3411667, West Ord Mountain (156B) 3411668, White Horse Mountain (156C) 3411658, Yermo (181A) 3411687, Nebo (181B) 3411688, Daggett (181C) 3411678, Minneola (181D) 3411677, Barstow (182A) 3411781, Barstow SE (182D) 3411771, Lane Mountain (206C) 3511618, Bird Spring (208A) 3511723, Saltdale NW (235B) 3511748, Cantil (235C) 3511738, Volcano Peak (282A) 3511787, Little Lake (282B) 3511788, Ballarat (302C) 3611712, Panamint (302D) 3611711, Haiwee Reservoirs (305B) 3611728
quad data info

Counties, states, regions:
Imperial (IMP), Inyo (INY), Kern (KRN), Riverside (RIV), San Bernardino (SBD), San Diego (SDG)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Mojavean desert scrub (MDScr)/rocky, gravelly, sandy
blooming period Mar-May  
elevation range700 - 1175 meters
Threatened by vehicles, mining, and grazing. See Bulletin of the Southern California Academy of Sciences 9:71 (1910) for original description, and Phytologia 21(4):287 (1971) for revised nomenclature.
full nameMentzelia tridentata (A. Davids.) H.J. Thomps. & Joyce Roberts
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  METR4 Element Code  PDLOA031U0
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 Sat, Dec. 4, 2021 from

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