E-Flora BC: Electronic Atlas of the Flora of British Columbia

Solorina spongiosa (Ach.) Anzi
Blinking owl
N.A.

Introduction to the Lichens

© Ryan Batten  Email the photographer   (Photo ID #25877)

E-Flora BC Static Map
Distribution of Solorina spongiosa
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Consortium of North American Lichen Herbaria map

Species Information

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Illustration By: Trevor Goward

General:
Common Name: The Owl Lichens. Alludes to the typically round, large apothecia, which are usually somewhat sunken below the average level of the upper surface.
Small to medium (rarely minute) stratified foliose lichens, corticate above and below, nonsorediate, nonisidiate, bearing cephalodia, lobes closely appressed to more often loosely appressed, short to subrotund, averaging to 0.5–3 (–10) mm wide, thin. Upper surface pale greenish or occasionally orangish brown, shiny or dull. Lower surface white or, in one species, orange, dull, usually weakly veined, often bearing scattered rhizines. Medulla white (orange in one species). Photobiont green and blue-green.
Apothecia immersed in upper surface, disc reddish brown; spores 2-celled, ellipsoid, brown, 2–8 per ascus.
Over soil and mosses over soil, usually base-rich sites.
Notes: Solorina is a boreal–arctic genus consisting of about ten species worldwide. Five species are reported for North America and all occur in B.C. Spot tests are of little taxonomic value in this genus and have therefore been omitted in the species accounts. For points of distinction with similar lichens, see the descriptions under Peltigera .
Species description:
Medulla white; over base-rich soil; distribution various AND
Thallus often poorly developed, often less than 1.0 cm wide at maturity; upper surface often white-pruinose, chinky-cracked when mature; apothecia deeply sunken AND
Thallus minute, often consisting primarily of granular cephalodia that form supporting “cushion” around apothecia; spores 4 per ascus

Source: Lichens of British Columbia

Habitat / Range

Habitat: Rare over moist base-rich soil and moss in exposed intermontane and especially boreal alpine localities
World Distribution: probably circumpolar, S to NM

Source: Lichens of British Columbia

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