365Caws is now in its 14th year of publication, and was originally intended to end after 365 days. It has sometimes been difficult for me to find new material, particularly during the winter months, but now as I enter my own twilight years, I cannot guarantee that I will be able to provide daily posts. It is my hope that along the way I may have inspired someone to a greater curiosity about the natural world. If so, I can rest, content in the knowledge that my work here has been done.
Tuesday, March 1, 2016
Lobaria Oregana, Lettuce Lung Lichen
Day 140: Several varieties of Lung Lichen grow in abundance in the lowlands of the rainy Pacific Northwest. Lobaria oregana is one of the most common; in fact, one source states that in an optimum habitat, it may attain a biomass equivalent to 1 ton per hectare. This species can be distinguished by its unique colour and a lavish fringe of lobules embellishing its margins. Like other Lobarias, Lettuce Lung is pollution-sensitive, and thrives in the clear air of old-growth forest. Generally found on coniferous trees, it may also colonize deciduous species.
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