The status of the name is uncertain.

Hypoxylon crustaceum (Sowerby) Nitschke, Pyren. Germ., p. 49. 1867.

º Sphaeria crustacea Sowerby, Col. Fig. Engl. Fung. III, Pl. 372, Fig. 11. 1803.

º Nemania crustacea (Sowerby) S. F. Gray, Nat. Arr. Brit. Pl.: 517. 1821.

LOCALITY UNKNOWN: Rabenhorst, Fung. Europ. 2433, wood, as H. crustaceum (BPI-CLS [2 slides]).

We have not seen type material. It was not found at K and might not be extant. Miller (1961) synonymized these names with H. multiforme (Fr.: Fr.) Fr. The above-cited material, listed under H. multiforme by Miller (1961), has ascospores with a spore-length germ slit; it is H. cohaerens (Pers.: Fr.) Fr. Fries (1823) listed S. crustacea as a synonym of S. serpens Pers.: Fr. [º Nemania serpens (Pers.: Fr.) S. F. Gray]. The identity of this fungus remains doubtful.


Jack D. Rogers
Yu-Ming Ju
Michael J. Adams