Reference

Search for REF=[6264].

6264
Paavolainen, L., Kurkela, T., Hallaksela, A.-M. and Hantula, J.
Pleomassaria siparia is composed of two biological species, both of which occur in dead twigs of Betula pendula and B. pubescens.
Mycologia 92: 253-258, 2000.
DOI: 10.2307/3761558.