Pekka Halonen, Finnish lichenologist (specialised on Usnea)

  • Botanical Museum, P.O. Box 3000, FIN-90014 Univ. Oulu, Finland

IPNI standard form: Halonen

Publications

  • Studies on the lichen genus Usnea in East Fennoscandia and Pacific North America. Academic Dissertation (2000), University of Oulu, Finland
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