Northern species of earth tongue genus Thuemenidium revisited, considering morphology, ecology and molecular phylogeny.
Ohenoja
Esteri
E
Botanical Museum, Department of Biology, P.O. Box 3000, 90014 University of Oulu, Finland.
Wang
Zheng
Z
Townsend
Jeffrey P
JP
Mitchel
David
D
Voitk
Andrus
A