Scientific Name: Ramalina thrausta (Ach.) Nyl. |
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Common Name: angel's hair lichen |
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Family: | Ramalinaceae | |
Element Code: | NLLEC3S340 | |
USDA Plants Symbol: | RATH2 | |
Synonyms/Other Names: |
CA Rare Plant Rank: | 2B.1 |
Fed List: | None |
State List: | None |
Global Rank: | G5? |
State Rank: |
S2S3 |
Other Status: | |
CRPR Changes: added to 2B.1 on 2014-03-01 |
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Add Date: | 2014-03-01 |
Date Edited: | 2022-08-02 |
Lifeform: fruticose lichen (epiphytic) | ||
Blooming Period: | ||
Elevation:
75 - 430 meters 245 - 1410 feet |
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General Habitat:
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General Micro Habitat: On dead twigs and other lichens | ||
Micro Habitat:
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Notes: Known in CA only from the Smith River and its major tributaries in DNT Co., and from a single disjunct occurrence along the Gualala River in SON Co.; needs field surveys. Populations in decline, with net loss of 12.5% of sites in three-year period. In northern CA it is usually found on dead twigs, and has been found on Alnus rubra, Calocedrus decurrens, Pseudotsuga menziesii, Quercus garryana, and Rubus spectabilis. In SON Co. it grows on and among dangling mats of Ramalina menziesii and Usnea spp. Similar to Alectoria sarmentosa, A. vancouverensis, and R. menziesii. |
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Threats: Potentially threatened by air pollution. |
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Taxonomy: |
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Other: |
Total Occurrences: | 21 | ||||
Element Occurrence Ranks: | |||||
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A | B | C | D | X | U |
0 | 0 | 4 | 0 | 1 | 16 |
Occurrence Status: | |||||
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Historical >20 Years | 5 | ||||
Recent <=20 Years | 16 |
Presence: | |||||
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Presumed Extant | 20 | ||||
Possibly Extirpated | 1 | ||||
Presumed Extirpated | 0 |
California Endemic: | |||||||||||||
California Island: | |||||||||||||
States: Name (Code) Alaska (AK), California (CA), Idaho (ID), Maine (ME), Michigan (MI), Minnesota (MN), Montana (MT), Oregon (OR), Washington (WA) |
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California Counties and Islands: Name (Code) Del Norte (DNT), Humboldt (HUM), Mendocino (MEN), Monterey (MNT), Sonoma (SON) |
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Quads: Name (Quad Code) Bailey Ridge (3912324), Cant Hook Mtn. (4112368), Fort Bragg (3912347), Fort Ross (3812352), Gasquet (4112378), Grouse Mtn. (4012376), High Divide (4112481), Hiouchi (4112471), Longvale (3912354), Mathison Peak (3912336), Mendocino (3912337), Monterey (3612158), Orrs Springs (3912323), Shelly Creek Ridge (4112387) |
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Notes:
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Species Account: | Ramalina thrausta profile for potential Species of Conservation Concern evaluation (2018) |
Other: | Bulletin of the California Lichen Society 13(1):17 (2006) for CALS Conservation Committee sponsorship. |