Penstemon sudans
Common Name: Susanville beardtongue
Family: Plantaginaceae
Element Code: PDSCR1L620
Full Name: Penstemon sudans Jones

2002 Dean Wm. Taylor
Biology Glossary
  • Lifeform: perennial herb
  • Blooming Period: June - September
  • Habitat: volcanic, rocky, sometimes roadsides.
    • Great Basin scrub
    • Lower montane coniferous forest (openings)
    • Pinyon and juniper woodland
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 111
  • Element Occurrence Ranks:
    A B C D X U
    15 51 17 0 0 28
  • Population Status:
    >20 yrs
    <=20 yrs
    12 99
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    111 0 0
Notes Glossary
  • 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.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 2001-01-01
  • Last Update: 2016-03-17
Location Glossary
  • Elevation: 1200 - 2425 meters
  • California Endemic: no
  • States: California, Nevada
  • California Counties and Islands:   name (code)
    Lassen (LAS),  Modoc (MOD),  Plumas (PLU),  Sierra (SIE)
  • Quads:   name (DWR code) USGS code
    Antelope Valley (571A) 39120F3,  Kettle Rock (604B) 40120B6,  Little Mud Flat (620B) 40120D2,  Shaffer Mtn. (621A) 40120D3,  Litchfield (621B) 40120D4,  Johnstonville (622A) 40120D5,  Susanville (622B) 40120D6,  Diamond Mtn. (622C) 40120C6,  Roop Mountain (623A) 40120D7,  Pegleg Mtn. (623B) 40120D8,  Fredonyer Pass (623D) 40120C7,  Al Shinn Canyon (638A) 40120F1,  Shinn Mtn. (638B) 40120F2,  Five Springs (638C) 40120E2,  Snowstorm Mtn. (639A) 40120F3,  West of Snowstorm Mtn. (639B) 40120F4,  Petes Valley (639C) 40120E4,  Karlo (639D) 40120E3,  Gallatin Peak (640C) 40120E6,  Tunnison Mtn. (640D) 40120E5,  Buckhorn Lake (656A) 40120H1,  Dodge Reservoir (656B) 40120H2,  Observation Peak (656C) 40120G2,  Termo (657C) 40120G4,  Snake Lake (673A) 41120B1,  Jess Valley (674A) 41120B3,  Cold Spring Mtn. (674D) 41120A3
  • Notes:
      Definitions of codes preceding a county and/or quad:
      * Presumed extirpated
      ? Uncertain about distribution or identity
      ?* Uncertain about distribution, but presumed extirpated if once present
      (?) Occurrence confirmed, but possibly extirpated
      Species may be present in other areas where conditions are favorable.
Presumed Extant Presumed Extirpated or Unknown 1998
Links to Leading Resources of Taxon Information
Suggested Citation
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website [accessed ].

39120F3=Antelope Valley (571A) 39120F3;40120B6=Kettle Rock (604B) 40120B6;40120D2=Little Mud Flat (620B) 40120D2;40120D3=Shaffer Mtn. (621A) 40120D3;40120D4=Litchfield (621B) 40120D4;40120D5=Johnstonville (622A) 40120D5;40120D6=Susanville (622B) 40120D6;40120C6=Diamond Mtn. (622C) 40120C6;40120D7=Roop Mountain (623A) 40120D7;40120D8=Pegleg Mtn. (623B) 40120D8;40120C7=Fredonyer Pass (623D) 40120C7;40120F1=Al Shinn Canyon (638A) 40120F1;40120F2=Shinn Mtn. (638B) 40120F2;40120E2=Five Springs (638C) 40120E2;40120F3=Snowstorm Mtn. (639A) 40120F3;40120F4=West of Snowstorm Mtn. (639B) 40120F4;40120E4=Petes Valley (639C) 40120E4;40120E3=Karlo (639D) 40120E3;40120E6=Gallatin Peak (640C) 40120E6;40120E5=Tunnison Mtn. (640D) 40120E5;40120H1=Buckhorn Lake (656A) 40120H1;40120H2=Dodge Reservoir (656B) 40120H2;40120G2=Observation Peak (656C) 40120G2;40120G4=Termo (657C) 40120G4;41120B1=Snake Lake (673A) 41120B1;41120B3=Jess Valley (674A) 41120B3;41120A3=Cold Spring Mtn. (674D) 41120A3