Fusamen fructigenum (Karsten) Arx, 1957
Fungi, Ascomycota, incertae sedis, incertae sedis
fungus infection of the female catkins (axis of the catkin and pedicels), producing a red spore mass that swells in humid weather and then is gelatinous. The spores, conidia, are formed in subcuticular acervuli; they are sickle-shaped, acute at both ends and measure 5-7 x 19-23 µm.
Brandenburger (1985a: 49).