Perichaena syncarpon T. E. Brooks 1946

Perichaena syncarpon T. E. Brooks, Mycologia 38: 110. 1946
Sporangia 0.05-0.8 mm. in diameter, scattered, gregarious, or crowded, sometimes forming pseudoaethalia up to 2 mm. in diameter, sessile on a broad base, pulvinate to subglobose or occasionally forming short plasmodiocarps, yellowish-brown or reddish-brown to black, often with a black margin; sporangial wall of two layers, the outer cartilaginous, firm, opaque, thickened with dark granular deposits, the inner layer adhering closely to the outer, usually inconspicuous, membranous, pale yellow, transparent, sometimes somewhat iridescent, without granular deposits; dehiscence into lobes along preformed ridges, or irregular; capillitium scanty, occasionally lacking, attached to the sporangial wall, consisting of sparingly branched yellow threads 2-3.5 ju in diameter, marked with irregular, close-set constrictions and minute warts; spores golden-yellow in mass, pale yellow by transmitted light, adhering loosely in clusters of 4-16, spinulose, more strongly so on exposed surface, globose, 10-12 ju in diameter, varying to oval or irregular; Plasmodium waterytan to opaque tan, ochraceous, or pinkish.
Type locality: Geary County, Kansas. Habitat: Decaying leaves. Distribution: Known only from Kansas.