CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record streptanthus_insignis_ssp._lyonii - Thu, Dec. 2, 2021, 04:42 ET b
Streptanthus insignis ssp. lyonii
common nameArburua Ranch jewelflower
CalPhotos image
more photos
© 1998 John Game  Follow image link for photo data.
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
G3G4T2   G3G4: Intermediate between G3 and G4
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (3):
Ortigalita Peak (383C) 3612078, Los Banos Valley (384A) 3612181, Ruby Canyon (384D) 3612171
quad data info

Counties, states, regions:
Merced (MER)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Coastal scrub (CoScr)(sometimes serpentinite)
blooming period Mar-May  
elevation range230 - 855 meters
Known from fewer than ten occurrences, where not often reported recently. Threatened by grazing, and potentially by reservoir construction. See Madroņo 30(4):230-244 (1985) for original description.
full nameStreptanthus insignis Jeps. ssp. lyonii Kruckeberg & Morrison
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  STINL Element Code  PDBRA2G0Q1
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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