Ges. Naturf. Freunde Berlin Mag. Neuesten Entdeck. Gesammten Naturk.
[Is mentioned by Fries, Syst. Mycol. 3:136. 1829, with the comment "Cfr. Ph. leucophaeum." Pending examination of European types, so far as they are still available, the name currently used should be retained (apud Martin & Alexopoulos, Myxomycetes 382. 1969). May represent an earlier name for Ph. leucophaeum Fr. & Palmquist]
[pdf from google books]
This name is a synonym of:
Didymium crustaceum Fr.