Lichen Zonation on Coastal Rocks in Gwaii Haanas National Park Reserve, Haida Gwaii (Queen Charlotte Islands), British Columbia

摘要: The occurrence of 43 marine lichen species on intertidal rocky shores southern Haida Gwaii (Queen Charlotte Islands), British Columbia is described and related particularly to elevation the shore (duration seawater immersion) exposure waves. In area Haanas National Park Reserve Heritage Site Moresby Island, rockdwelling lichens are distributed in zones much as they elsewhere world, although some found abundantly only give local a unique appearance. common with other areas, there conspicuous black band Verrucaria (in this case, nine plus lichens) at upper edge zone. A white Coccotrema maritimum above feature flora. unusually large percentage endemic, near-endemic or disjunct their phytogeography suggest that least headland rocks along west coast were refugia during last glacial maximum. striatula V. sandstedei reported for first time from Columbia. Erratum figure included.