Puccinia thomasii Gäumann, 1941

on Ligusticum

gall

No host plant alternation, only telia, as up to 8 mm long dark brown heaps, mainly on the petioles. Spores 2-celled, ovoid, smooth; pedicel hyaline, thin, brittle.

host plants

Apiaceae, narrowly monophagous

Ligusticum mutellinoides, scothicum.

synonyms

? Puccinia frigida Komarov, 1895; ? Puccinia halosciadis Sydow, 1919.

references

Brandenburger (10985a: 448), Buhr (1964b), Gäumann (1959a), Gäumann, 1941.