Taxon Details
Sulcaria isidiifera
splitting yarn lichen
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Taxon Summary:
Sulcaria isidiifera, commonly known as splitting yarn lichen, is a fruticose lichen (epiphytic) in the Alectoriaceae that is found only in California. It occurs within Coastal scrub, growing at elevations from 20 to 30 meters. Sulcaria isidiifera is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Sulcaria isidiifera Brodo |
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Common Name: splitting yarn lichen |
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| Family: | Alectoriaceae | |
| Element Code: | NLTEST0020 | |
| USDA Plants Symbol: | SUIS | |
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | BLM_S |
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CRPR Changes: |
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| Add Date: | 2014-03-01 |
| Date Edited: | 2024-11-05 |
| Lifeform: fruticose lichen (epiphytic) | ||||||||||||||
Blooming Period:
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Elevation:
20 - 30 meters 65 - 100 feet |
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General Habitats:
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| Microhabitat Details: On branches of oaks and shrubs | ||||||||||||||
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Microhabitat:
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Notes: Threatened by coastal development, alteration of fire regimes, and over-collecting. Portions of populations have been extirpated due to historical residential development. See Bulletin of the California Lichen Society 14(2):45-47 (2007) for CALS Conservation Committee sponsorship. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 4 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 3 | 33 % |
| THREAT LIST: | ||
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| Development | 3 | 33% |
| Improper burning regime | 2 | 22% |
| Over-collecting/poaching | 2 | 22% |
| Other | 1 | 11% |
| Total Occurrences: | 9 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 2 | 0 | 0 | 0 | 7 |
| Occurrence Status: | |||||
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| Historical >20 Years | 3 | ||||
| Recent <=20 Years | 6 | ||||
| Presence: | |||||
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| Presumed Extant | 9 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) San Luis Obispo (SLO) |
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Quads: Name (Quad Code) Morro Bay South (3512037) |
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Notes:
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Presumed Extant
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