Taxon Details
Cladonia firma
popcorn lichen
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Taxon Summary:
Cladonia firma, commonly known as popcorn lichen, is a squamulose lichen (terricolous) in the Cladoniaceae that is . It occurs within Coastal dunes (stabilized), and Coastal scrub, growing at elevations from 30 to 75 meters. Cladonia firma is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.|
Scientific Name: Cladonia firma (Nyl.) Nyl. |
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Common Name: popcorn lichen |
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| Family: | Cladoniaceae | |
| Element Code: | NLT0008460 | |
| USDA Plants Symbol: | CLFI4 | |
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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: | 2B.1 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G4 |
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State Rank: |
S1 |
| Other Status: | |
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CRPR Changes: |
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| Add Date: | 2014-03-01 |
| Date Edited: | 2021-10-08 |
| Lifeform: squamulose lichen (terricolous) | ||||||||||||||
Blooming Period:
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Elevation:
30 - 75 meters 100 - 245 feet |
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General Habitats:
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| Microhabitat Details: On soil, detritus, and/or moss | ||||||||||||||
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Microhabitat:
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Notes: Known in CA only from Morro Bay and Baywood-Los Osos areas. Threatened by habitat loss, recreational activities, and non-native plants. Often forms biological soil crusts with other lichens and mosses. See Bulletin of the California Lichen Society 14(2):40-44 (2007) for CALS Conservation Committee sponsorship. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 2 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 1 | 25 % |
| THREAT LIST: | ||
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| Non-native plant impacts | 1 | 25% |
| Other | 1 | 25% |
| Total Occurrences: | 4 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 0 | 0 | 0 | 0 | 4 |
| Occurrence Status: | |||||
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| Historical >20 Years | 0 | ||||
| Recent <=20 Years | 4 | ||||
| Presence: | |||||
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| Presumed Extant | 4 | ||||
| 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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