CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record polygala_subspinosa - Sun, Nov. 28, 2021 00:48 ET c
Polygala subspinosa
common namespiny milkwort
CalPhotos image
more photos
© 1998 Christopher Christie  Follow image link for photo data.
life formperennial herb
CA Rare Plant Rank
List 2B.2
LIST 2B: Rare, threatened, or endangered in California, but more common elsewhere.
     0.2: Fairly endangered in California
state rank
S3      ranking system key
global rank
G4?      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (15):
Risue Canyon (504C) 3811954, Coleville (505D) 3811955, Bull Flat (620A) 4012041, Little Mud Flat (620B) 4012042, Spencer Creek (620D) 4012031, Shaffer Mountain (621A) 4012043, Litchfield (621B) 4012044, Al Shinn Canyon (638A) 4012061, Shinn Mountain (638B) 4012062, Five Springs (638C) 4012052, Cherry Mountain (638D) 4012051, Snowstorm Mountain (639A) 4012063, Karlo (639D) 4012053, Snake Lake (673A) 4112021, Little Hat Mountain (673D) 4112011
quad data info

Counties, states, regions:
Lassen (LAS), Mono (MNO), Arizona (AZ), Colorado (CO), New Mexico (NM), Nevada (NV), Utah (UT)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Great Basin scrub (GBScr)
•Pinyon and juniper woodland (PJWld)/gravelly, rocky
blooming period May-Aug  
elevation range1330 - 1705 meters
Known in CA only from the Secret Valley area. Possibly threatened by pipeline construction. See American Naturalist 7:299 (1873) for original description.
full namePolygala subspinosa Wats.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  POSU2 Element Code  PDPGL021Q0
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 Sun, Nov. 28, 2021 from

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