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SPECIES CONCEPTS IN THE GENUS USNEA (LICHENIZED ...

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340 <strong>THE</strong> LICHENOLOGIST Vol. 30<br />

Mallet, J. (1995) A species definition for the modern synthesis. Trends in Ecology and Evolution 10:<br />

294–299.<br />

Mattsson, J.-E., Lumbsch, T. (1989) The use of the species pair concept in lichen taxonomy.<br />

Taxon 38: 238–241.<br />

Mayr, E. (1963) Animal Species and Evolution. Cambridge, MA: Harvard University Press.<br />

Mayr, E. (1992) Species concepts and their application. In The Units of Evolution (M. Ereshefsky,<br />

ed.): 15–25. Cambridge, MA: The MIT Press.<br />

McDade, L. A. (1995) Species concepts and problems in practice: insight from botanical<br />

monographs. Systematic Botany 20: 606–622.<br />

Meffe, G. K. & Carroll, C. R. (1997) Principles of Conservation Biology. Sunderland, MA: Sinauer<br />

Ass.<br />

Mischler, B. & Donoghue, M. J. (1982) Species concepts: a case for pluralism. Systematic Zoology<br />

31: 491–503.<br />

Motyka, J. (1936–1938) Lichenum Generis Usnea Studium Monographicum Pars Systematica.2vols.<br />

Leopoli: privately printed.<br />

Motyka, J. (1947) Lichenum Generis Usnea Studium Monographicum Pars Generalis. Lublin.<br />

Myllys, L. (1994) Usnea glabrata (lichenized Ascomycotina) in East Fennoscandia. Acta Botanica<br />

Fennica 150: 125–130.<br />

Poelt, J. (1970) Das Konzept der Artenpaare bei den Flechten. Deutsche botanische Gesellschaft<br />

Neue Folge 4: 187–198.<br />

Poelt, J. (1972) Die taxonomische Behandlung von Artenpaaren bei den Flechten. Botaniska<br />

Notiser 125: 77–81.<br />

Poelt, J. (1994) Different species types in lichenized Ascomycetes. In Ascomycetes Systematics:<br />

Problems and Perspectives in the Nineties (D. L. Hawksworth, ed.): 273–278. [NATO ASI<br />

Series A: Life Sciences, Vol. 269] New York: Plenum Press.<br />

Purvis, W. (1997) The species concept in lichens. In Species: the Units of Biodiversity (M. F.<br />

Claridge, H. A. Dawah & M. R. Wilson, eds): 109–134. London: Chapman & Hall.<br />

Sokal, R. & Crovello, T. (1992) The biological species concept: a critical evaluation. In The Units<br />

of Evolution (M. Ereshefsky, ed.): 27–55. Cambridge, MA: The MIT Press.<br />

Stenroos, S. (1989a) Taxonomy of the Cladonia coccifera group. 1. Annales Botanici Fennici 26:<br />

157–168.<br />

Stenroos, S. (1989b) Taxonomy of the Cladonia coccifera group. 2. Annales Botanici Fennici 26:<br />

307–317.<br />

Swinscow, T. D. V. & Krog, H. (1974) Usnea subgenus Eumitria in East Africa. Norwegian Journal<br />

of Botany 21: 165–185.<br />

Swinscow, T. D. V. & Krog, H. (1975) The Usnea undulata aggregate in East Africa. Lichenologist<br />

7: 121–138.<br />

Swinscow, T. D. V. & Krog, H. (1976a) The Usnea bornmuelleri aggregate in East Africa.<br />

Norwegian Journal of Botany 23: 23–31.<br />

Swinscow, T. D. V. & Krog, H. (1976b) The Usnea articulata aggregate in East Africa. Norwegian<br />

Journal of Botany 23: 261–268.<br />

Swinscow, T. D. V. & Krog, H. (1978) Pendulous species of Usnea in East Africa. Norwegian<br />

Journal of Botany 25: 221–241.<br />

Swinscow, T. D. V. & Krog, H. (1979) The fruticose species of Usnea subgenus Usnea in East<br />

Africa. Lichenologist 11: 207–252.<br />

Swinscow, T. D. V. & Krog, H. (1988) Macrolichens of East Africa. London: British Museum<br />

(Natural History).<br />

Tehler, A. (1982) The species pair concept in lichenology. Taxon 31: 708–714.<br />

Templeton, A. R. (1989) The meaning of species and speciation: a genetic perspective. In<br />

Speciation and its Consequences (D. Otte & J. A. Endler, eds): 3–27. Sunderland, MA: Sinauer<br />

Associates, Inc.<br />

Weber, W. A. (1968) A taxonomic revision of Acarospora, subgenus Xanthothallia. Lichenologist 4:<br />

16–31.<br />

Accepted for publication 18 April 1998

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