Nash T.H. & Seppelt R.D.
(1995):
Dedication Polar Lichen Symposium,
Lichenologist,
27(6): 409
In North America over the past four and a half decades Dr John W. Thomson
has been 'Mr Arctic' in the world of lichenology. He has undertaken many
Arctic expeditions himself and as a systematist has produced an impressive
array of monographic treatments, many of which have dealt with Arctic
genera. His life-long research on Arctic lichens culminated in the publication
of The Arctic Lichen Flora, vol. I: The Macrolichens (Colombia Press) in 1984
and vol. II: The Microlichens (University of Wisconsin …
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