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MacDonald, A. M./ J. T. Lundholm/ S. R. Clayden 2011: Saxicolous lichens on a Nova Scotian coastal barren. - Northeastern Naturalist 18(4): 475-488. [RLL List # 226 / Rec.# 33747]
Abstract: Saxicolous lichens of a coastal barren were surveyed in Nova Scotia, Canada. Forty-three species were found, including Rhizocarpon suomiense, new to North America, and five other species new to the province. The response of saxicolous lichens to the maritime influence was assessed along transects perpendicular to the shoreline, as well as on three faces of the boulders: facing towards the coast, upwards, and away from the coast. Boulder face did not significantly affect lichen species richness; however, cover significantly increased from front to top to back faces. Lichen species richness and cover increased significantly with increasing distance from the shoreline. The ecology of selected species with respect to the maritime gradient is discussed.
URL: http://dx.doi.org/10.1656/045.018.0405
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