Citation: Re. Halling et al., A new Phylloporus (Basidiomycetes, Boletaceae) with a key to species in Colombia and Costa Rica, MYCOTAXON, 73, 1999, pp. 63-67
Citation: Sg. Aiken et al., Saxifragaceae of the Canadian Arctic Archipelago: a contribution to a DELTA database for interactive identification and illustrated information retrieval, CAN J BOTAN, 76(12), 1998, pp. 2020-2036