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Citrine–Green Taxa in the Genus Candelariella

Published online by Cambridge University Press:  28 March 2007

O. L. Gilbert ,
A. Henderson  and
P. W. James
O. L. Gilbert
Affiliation:
Department of Landscape Architecture, The University, Sheffield S10 2TN.
A. Henderson
Affiliation:
Baines Wing, Department of Plant Sciences, University of Leeds, Leeds LS2 9JT.
P. W. James
Affiliation:
Department of Botany, British Museum (Natural History), Cromwell Road, London SW7 5BD.
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Abstract

The citrine–green Candelariella flavovirella (Nyl.) Lettau and C. heidelbergensis (Nyl.) Poelt are shown to differ from the yellow-orange species C. vitellina (Hoffm.) Mull. Arg. and C. aurella (Hoffm.) Zahlbr. respectively, mainly in the suppression of calycin. As distinctive and geographically scattered chemotypes it is suggested that the rank of form is most appropriate and the required new combinations are made. A citrine–green population of C. medians (Nyl.) A. L. Sm. is described as f. steepholmensis O. Gilbert f.nov.

Type
Research Article
Information
The Lichenologist , Volume 13 , Issue 3 , October 1981 , pp. 249 - 251
Copyright
Copyright © British Lichen Society 1981

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