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Some Observations on The Thallus in Pannaria, with Description of a New Species

Published online by Cambridge University Press:  28 March 2007

T. D. V. Swinscow
Affiliation:
24 Monmouth Street, Topsham, Exeter EX3 OAJ, U.K.
Hildur Krog
Affiliation:
Botanical Museum, University of Oslo, Trondheimsveien 23 B, N-0562 Oslo, 5, Norway

Abstract

Pannaria is shown to include species whose thallus ranges from the almost homoiomerous to the fully differentiated heteromerous state. A new species of Pannaria is described, P. santessonii, with a thallus closely resembling that characteristic of the Collemataceae. Lepidocollema carassense Vainio and Lepidoleptogium montaguei A. L. Sm., the type species of these respective genera, have beenfound to have a similar type of thallus. Further study of the relationship between thesegenera is needed.

Type
Research Article
Copyright
Copyright © British Lichen Society 1986

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