Orphanomyces arcticus (Rostrup) Saville, 1974

on Carex

gall

sori as black stripes or crusts on young leaves; the fungus is systemic, infected plants do not flower. Spores not united in balls, their surface with a reticulate structure.

host plants

Cyperaceae, monophagous

Carex brunnescens, canescens, davalliana, glareosa, halleriana, lachenalii, macloviana, maritima, stenophylla.

synonyms

Ustilago arctica (Rostrup) Lindeberg, 1959.

references

Buhr (1964b), Klenke & Scholler (2015a), Tomasi (2012a, 2014a), Vánky (1994a).

mod 24.iii.2019