Zodiomyces vorticellarius Thaxt.

In acetic carmine

THALLUS yellowish.



In acetic carmine

RECEPTACLE (r) 190-640 µm slender or stout, variable in shape and size, with a dark-coloured foot (f) and one, two or rarely more lateral projections of receptacle stalk cell II (rscII); in very young thalli, the receptacle consists of a series cells continuing into a filiform primary appendage; later, except for the large basal cell, all the other cells divide again to form a small-celled tissue. The expanding cup-shaped distal cavity is 120-260 µm diam and has many filiform, multi-celled appendages (app), up to 580 µm long, on its margin; on the inner surface of the cavity, perithecia (p) and antheridial branchlets are present.

In acetic carmine


PERITHECIA (p) stalked, 53-63 x 12-16 µm, broadening towards their top, with two pairs of slender outgrowths directed laterally and upwards.

Stalk cell subtending the perithecium protruding into an outgrowth directed upwards; the perithecial apex (pa) pointed, directed laterally.

In acetic carmine

SPORES (s) filiform, hyaline.



HOST AND DISTRIBUTION. The specimens presented here are from Helochares obscurus (O.F. Müller) (Hydrophilidae).

Apart from Poland, Z. vorticellarius has also been found in South Korea, Germany, Italy, Africa, and both Americas (Majewski 1994).

NOTES. The genus Zodiomyces comprises three species. Of them, in Poland, only Z. vorticellarius has been found to date (Majewski 1994).


Majewski T. 1994. The Laboulbeniales of Poland. Polish Bot. Stud. 7, 3-466.