Species Details

Peltigera gowardii

western waterfan lichen

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Photo of Peltigera gowardii
© 2021 Scot Loring
Photo of Peltigera gowardii
©2014 Eric B. Peterson
Photo of Peltigera gowardii
© 2018 Julie Kierstead Nelson
Scientific Name:
Peltigera gowardii Lendemer & H. O’Brien
Common Name:
western waterfan lichen
Family: Peltigeraceae
Element Code: NLVER00460
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 4.2
Fed List: None
State List: None
Global Rank: G4?
State Rank:
Other Status: USFS_S
CRPR Changes:
added to 4.2 on 2014-03-01
Add Date: 2014-03-01
Date Edited: 2021-10-08
Lifeform: foliose lichen (aquatic)
Blooming Period:
1065 - 2620 meters
3495 - 8595 feet
General Habitats:
  • Riparian forest
Microhabitat Details: On rocks in cold water creeks with little or no sediment or disturbance
Threatened by hydrological alterations, recreational activities, erosion, logging, and vehicles. Often associated with rich bryophyte flora. See Bulletin of the California Lichen Society 13(2):42-44 (2006) for CALS Conservation Committee sponsorship.
Threat List Total: 8
Total EOs % of EOs
EOs with Threat Listed: 14 54 %
Altered flood/tidal/hydrologic regime 7 26%
Logging 3 11%
ORV activity 2 7%
Recreational use (non-ORV) 2 7%
Surface water diversion 1 3%
Total Occurrences: 26
Element Occurrence Ranks:
8 8 1 0 0 9
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 24
Presumed Extant 26
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Georgia (GA), Maine (ME), Massachusetts (MA), Montana (MT), New Hampshire (NH), New Jersey (NJ), New York (NY), North Carolina (NC), Oregon (OR), Pennsylvania (PA), Tennessee (TN), Vermont (VT), Virginia (VA), Washington (WA)
California Counties and Islands: Name (Code)
Amador (AMA), Butte (BUT), Calaveras (CAL), El Dorado (ELD), Fresno (FRE), Madera (MAD), Mariposa (MPA), Mono (MNO), Placer (PLA), Plumas (PLU), Sierra (SIE), Siskiyou (SIS), Trinity (TRI), Tulare (TUL), Tuolumne (TUO), Yuba (YUB)
Quads: Name (Quad Code)
American House (3912161), Boards Crossing (3812032), Calaveras Dome (3812042), Caldor (3812054), Camp Nelson (3611825), Cascade (3912162), Crandall Peak (3812022), Dinkey Creek (3711912), Dogwood Peak (3912171), Duckwall Mtn. (3712081), Echo Lake (3812071), Emerald Bay (3812081), Etna (4112248), Fish Camp (3711946), Forest Glen (4012333), Freel Peak (3811978), Haypress Valley (3912055), Homewood (3912012), Hull Creek (3812011), Huntington Lake (3711922), La Porte (3912068), Leek Spring Hill (3812063), Mammoth Pool Dam (3711933), Meeks Bay (3912011), Mount Dana (3711982), Muir Grove (3611867), Patterson Mtn. (3611981), Peddler Hill (3812053), Pollock Pines (3812075), Pulga (3912174), Red Cinder (4012142), Robbs Peak (3812084), Rough Spur (3611888), Sentinel Peak (3611815), Shuteye Peak (3711934), Soapstone Hill (3912173), Stanislaus (3812023), Strawberry (3812021), Strawberry Valley (3912151), Westville (3912026), White Chief Mtn. (3711945)
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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