Cabbage Lungwort Lichen - Lobaria linita
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Known from very few locations in western Montana.
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Cabbage Lungwort Lichen (Lobaria linita) Conservation Status Review
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Thallus foliose, medium to large, mostly 5-15 cm broad; lobes generally 1-3 cm broad; upper surface greenish to brownish or brownish gray, with or without a network of ridges; soredia, isidia, and lobules lacking; photobiont green but with blue-green photobiont in the cephalodia; and apothecia fairly common (McCune and Geiser 2009)
. Chemistry: All spot tests negative (McCune and Geiser 2009)
Sun-browned forms on rocks or alpine sod appear very different from the epiphytic forms from coastal forests. The latter are strongly reminiscent of L. pulmonaria. Occasionally juvenile L. pulmonaria will have soredia very sparse or even lacking; these can be distinguished from L. linita by the negative K and P tests of the latter (McCune and Geiser 2009)
An arctic-alpine species with circumpolar distribution (Jordan 1973). Known from all of AK, across arctic Canada, most of BC, down the west coast and into northwestern OR in the Cascades (Brodo et al. 2001) and inland to western Montana (McCune & Geiser 1997). One population is known in CA. Also known from Japan (Krog 1968, Czeczuga and Yoshida 1991) and Europe (Pisut 1971, Czeczuga and Olech 1990).
Observations in Montana Natural Heritage Program Database
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(Observations spanning multiple months or years are excluded from time charts)
Montane to alpine habitats with a Pacific coastal affinity. Generally found on alpine sod or mossy rocks in the Rocky Mountains. Epiphytic in coastal Alaska to Oregon.
Photobionts: green algae and cyanobacteria (nitrogen-fixer).
Reproduces sexually by spores from the apothecium.
Threats or Limiting Factors