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Supplementary report on the Cladoniae of Connecticut
Evans, Alexander W.
Bok Engelsk 1944
Supplementary report on the Cladoniae of Connecticut
Evans, Alexander W.
Bok Engelsk 1930
A further study of the American species of Symphyogyna
Evans, Alexander W.
Bok Engelsk 1927
The Lobate species of Symphyogyna
Evans, Alexander W.
Bok Engelsk 1925
Odontoschisma maccounii and its north American allies
Evans, Alexander W.
Bok Språk ikke angitt 1903