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Studies in the Lichen Family Pannariaceae VII. on Some Poorly Known Parmeliella-Like Species from the Southern Hemisphere

Published online by Cambridge University Press:  14 January 2009

Per M. Jørgensen*
Affiliation:
Botanisk Institutt, Universitetet i Bergen, Allégate 41, N-5007 Bergen, Norway

Abstract

Two Parmeliella-like lichen species are described as new: Santessoniella pulchella, known from warm temperate parts of eastern Australia and northern New Zealand, and Siphulastrum squamosum, a relatively common species on stumps ofNothofagus in southern Chile. Both differ from Parmeliella s. str. in the hemiamyloid, finally red-brown hymenial iodine reaction and the apical structures of the asci, as well as in thallus details (anatomy and chemistry). Parmeliella major Darb. is a synonym of P. thysanota (Sirt.) Zahlbr., which thus proves to be a circumpolar species in the Southern Hemisphere, though not yet discovered in South Africa. A new species, Parmeliella lacerate, is described from the Republic of South Africa, and related to Parmeliella chilensis (Hue) P. M. Jørg., comb. nov.

Type
Research Article
Copyright
Copyright © British Lichen Society 1998

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