CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record penstemon_sudans - Sun, Dec. 5, 2021, 07:06 ET b
Penstemon sudans
common nameSusanville beardtongue
CalPhotos image
more photos
© 2002 Dean Wm. Taylor  Follow image link for photo data.
life formperennial 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 (28):
Antelope Valley (571A) 3912063, Kettle Rock (604B) 4012026, Little Mud Flat (620B) 4012042, Shaffer Mountain (621A) 4012043, Litchfield (621B) 4012044, Johnstonville (622A) 4012045, Susanville (622B) 4012046, Diamond Mountain (622C) 4012036, Roop Mountain (623A) 4012047, Pegleg Mountain (623B) 4012048, Westwood East (623C) 4012038, Fredonyer Pass (623D) 4012037, Al Shinn Canyon (638A) 4012061, Shinn Mountain (638B) 4012062, Five Springs (638C) 4012052, Snowstorm Mountain (639A) 4012063, West Of Snowstorm Mountain (639B) 4012064, Petes Valley (639C) 4012054, Karlo (639D) 4012053, Gallatin Peak (640C) 4012056, Tunnison Mountain (640D) 4012055, Buckhorn Lake (656A) 4012081, Dodge Reservoir (656B) 4012082, Observation Peak (656C) 4012072, Termo (657C) 4012074, Snake Lake (673A) 4112021, Jess Valley (674A) 4112023, Cold Spring Mountain (674D) 4112013
quad data info

Counties, states, regions:
Lassen (LAS), Modoc (MOD), Plumas (PLU), Sierra (SIE), Nevada (NV)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Great Basin scrub (GBScr)
•Lower montane coniferous forest (LCFrs)(openings)
•Pinyon and juniper woodland (PJWld)/volcanic, rocky, sometimes roadsides
blooming period Jun-Jul(Aug),(Sep),   Months in parentheses are uncommon.
elevation range1200 - 2425 meters
Known in CA only from the vicinity of Susanville. Threatened by road maintenance, vehicles, and non-native plants. Possibly threatened by logging. See Contributions to Western Botany 8:37 (1898) for original description.
full namePenstemon sudans Jones
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  PESU10 Element Code  PDSCR1L620
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, Dec. 5, 2021 from

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