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Cabbage Lungwort Lichen - Lobaria linita
State Rank Reason (see State Rank above)
Known from very few locations in western Montana.
General Description
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).
Diagnostic Characteristics
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).
Range Comments
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
Number of Observations: 1
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Map Help and Descriptions
Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Habitat
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.
Ecology
Photobionts: green algae and cyanobacteria (nitrogen-fixer).
Reproductive Characteristics
Reproduces sexually by spores from the apothecium.
Threats or Limiting Factors
None identified.
References
- Web Search Engines for Articles on "Cabbage Lungwort Lichen"
