BC Conservation Data Centre: Species Summary
Cetrelia cetrarioides
downside seastorm
| Scientific Name: | Cetrelia cetrarioides (Delise ex Duby) Culb. & C. Culb. | ||||||||||
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| English Name: | downside seastorm | ||||||||||
| Classification / Taxonomy | |||||||||||
| Scientific Name - Concept Reference: | Esslinger, T.L. and R.S. Egan. 1995. A sixth checklist of the lichen-forming, lichenicolous, and allied fungi of the continental United States and Canada. The Bryologist 98(4): 467-549. | ||||||||||
| Classification Level: | Species | ||||||||||
| Species Group: | Lichen | ||||||||||
| Species Code: | CETRCET | ||||||||||
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| Conservation Status / Legal Designation | |||||||||||
| Global Status: | G4G5 (Jun 2006) | ||||||||||
| Provincial Status: | S5 (Apr 2019) | ||||||||||
| BC List: | Yellow | ||||||||||
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| Global Habitat Comments: | Grows on bark, mainly on Alnus rubra and other hardwoods, rarely on mossy rock, in moist riparian and valley bottom forests, especially older Alnus rubra stands over seepy or swampy ground (McCune and Geiser 1997). | ||||||||||
| Provincial Phenology: (1st half of month/ 2nd half of month) |
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| Elevation (m) (min / max): | Provincial: | ||||||||||
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| Distribution | |||||||||||
| Endemic: | N | ||||||||||
| Global Range Comment: | Known from Eurasia from the Iberian Peninsula (Barbero et al 1995) to China and the Russian Far East (Guseva et al 1993), and from North America. In North America, reported from coastal Alaska to Oregon, mainly in the Coast Ranges, not known east of the Cascades in the western United States, but rarely so in British Columbia (McCune and Geiser 1997). In the eastern U.S., the species is known from the Appalachian Mountains in NC (10 collections) and from WV. It has also been collected in Mexico. | ||||||||||
| Disjunct, more common elsewhere: | |||||||||||
| Peripheral, major distribution elsewhere: | |||||||||||
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| References and Related Literature | |||||||||||
McCune, B. and L. Geiser. 1997. Macrolichens of the Pacific Northwest. Oregon State University Press, Corvallis, Oregon. A co-publication with the U.S. Department of Agriculture Forest Service. 386 pp. |
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Please visit the website Conservation Status Ranks for definitions of the data fields used in this summary report.
Suggested Citation:
B.C. Conservation Data Centre. Species Summary: Cetrelia cetrarioides. B.C. Minist. of Environment. Available: https://a100.gov.bc.ca/pub/eswp/ (accessed Jun 6, 2026).