Species Details

Thamnolia vermicularis

whiteworm lichen

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Photo by © 2021 Scot Loring  max-height:128px; max-width:145px;
© 2021 Scot Loring
Photo by © 2008 Dr. Amadej Trnkoczy  max-height:128px; max-width:145px;
© 2008 Dr. Amadej Trnkoczy
Photo by © 2011 Ron Wolf  max-height:128px; max-width:145px;
© 2011 Ron Wolf
Scientific Name:
Thamnolia vermicularis (Swartz) Ach. ex Schaerer
Common Name:
whiteworm lichen
Family: Icmadophilaceae
Element Code: NLTES43860
USDA Plants Symbol: THVE60
Synonyms/Other Names:
Lifeform: fruticose lichen (terricolous)
Blooming Period:
Elevation:
90 - 90 meters
295 - 295 feet
General Habitat:
  • Chaparral
  • Valley and foothill grassland
General Micro Habitat: On rocks derived from sandstone
Micro Habitat:
Notes:
Known in CA only from near Dillon Beach. Preferred habitat may exist on Mt. Shasta; needs field surveys. Possibly threatened by trampling and foot traffic. See Bulletin of the California Lichen Society 16(2):21-26 (2009) for CALS Conservation Committee sponsorship.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 1
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 1
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 1
Presence:
Presumed Extant 1
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Alaska (AK), California (CA), Colorado (CO), Connecticut (CT), Idaho (ID), Montana (MT), New Hampshire (NH), New York (NY), Oregon (OR), Vermont (VT), Washington (WA), Wyoming (WY)
California Counties and Islands: Name (Code)
Marin (MRN)
Quads: Name (Quad Code)
Tomales (3812228), Valley Ford (3812238)
Notes:
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.

Map

Presumed Extant
Counties   Quads