Podosphaera astragali (Junell) Braun & Takamatsu, 2000

on Astragalus, Hedysarum

gall

mycelium amphigenous, often also on stems. Appressoria nipple-shaped. Conia formed in chains, with fibrosin bodies. Cleistothecia with a single ascus, containing usually eight spores. Appendages numerous, sub-equatorial, 0.5-5 x the diameter, mycelioid, brown, flaccid, septate, mostly unbranched.

host plants

Fabaceae, oligophagous

Astragalus alpinus & subsp. alaskanus, arenarius, danicus, frigidus, glycyphyllos, norvegicus; Hedysarum hedysaroides.

synonyms

Sphaerotheca astragali Junell, 1966.

references

Braun (1995a), Braun & Cook (2012a), Klenke & Scholler (2015a), Kruse (2019a).

mod 20.vii.2019