Hydropisphaera peziza

A minute orange globose ascomycete characterized by its longitudinally striated spores.

Peridial hyphae composed of polygonal cells, with abundant carotenoid pigment inside conferring its characteristic coloration.

Asci cylindrical, with a short base, 8-spored, uniseriate to very slightly biseriate at the apex, up to 100 µm long and 7-14 µm wide, lacking an amyloid apical reaction (inamyloid).

Paraphyses not observed, according to literature highly evanescent, hyaline and disappearing during development.

Ascospores ellipsoidal, smooth, hyaline, with a prominent central septum, longitudinal striations on their surface, and two large lipid droplets inside, one in each cell.

Herbarium material available: JTP2337/25.