CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record chlorogalum_grandiflorum - Sun, Nov. 28, 2021 12:04 ET c
Chlorogalum grandiflorum
common nameRed Hills soaproot
CalPhotos image
more photos
© 1998 Steve Tyron  Follow image link for photo data.
life form bulbiferous 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
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 (29):
Sonora (458B) 3712084, Chinese Camp (458C) 3712074, New Melones Dam (459A) 3712085, Keystone (459D) 3712075, Salt Spring Valley (476C) 3812016, Devils Nose (492B) 3812044, Fort Mountain (492C) 3812034, Dorrington (492D) 3812033, West Point (493A) 3812045, Pine Grove (493B) 3812046, Rail Road Flat (493D) 3812035, Aukum (509C) 3812056, Omo Ranch (509D) 3812055, Shingle Springs (510B) 3812068, Clarksville (511A) 3812161, Robbs Peak (524B) 3812084, Devil Peak (525A) 3812085, Tunnel Hill (525B) 3812086, Slate Mountain (525C) 3812076, Pollack Pines (525D) 3812075, Georgetown (526A) 3812087, Greenwood (526B) 3812088, Coloma (526C) 3812078, Garden Valley (526D) 3812077, Pilot Hill (527D) 3812171, Michigan Bluff (540C) 3912016, Greek Store (540D) 3912015, Colfax (541C) 3912018, Foresthill (541D) 3912017
quad data info

Counties, states, regions:
Amador (AMA), Butte (BUT), Calaveras (CAL), El Dorado (ELD), Placer (PLA), Tuolumne (TUO)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)
•Cismontane woodland (CmWld)
•Lower montane coniferous forest (LCFrs)/serpentinite, gabbroic and other soils
blooming period May-Jun  
elevation range245 - 1690 meters
Threatened by development, mining, road construction, and vehicles. Possibly threatened by trail maintenance, logging and non-native plants. See Leaflets of Western Botany 2(8):128 (1938) for original description.
full nameChlorogalum grandiflorum Hoov.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CHGR3 Element Code  PMLIL0G020
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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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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