Entyloma serotinum Schröter, 1876

on Amsinckia, Borago, Symphytum

Symphytum officinale, Belgium, prov. Antwerp, Herselt, Langdonken, 18.v.2022 © Carina Van Steenwinkel

detail of the underside

immature spores

mature spore

conidia of the entylomella stage

conidia of the entylomella stage

gall

sori as 1-4 mm large yellowish white leaf spots. The embedded spores are rotund, smooth, hyaline to light yellowish brown, 10-15 µm.

host plants

Boraginaceae, oligophagous

Borago officinalis; Symphytum asperum, bulbosum, cordatum, officinale, ottomanum, tuberosum & subsp. angustifolium.

According to Klenke & Scholler also Amsinckia menziesii var. intermedia, micrantha.

references

Almaraz (1998a), Brandenburger (1985a: 524), Gönczö & Révay (1981a), Jage, Kruse, Kummer ao (2013a), Klenke (2002a), Klenke & Scholler (2015a), Lutz & Vánky (2009a), Piątek & Wołczańska (2004a), Savchenko & Heluta (2012a), Scheuer & Bechter (2012a), Scholz & Scholz (2013a), Vanderweyen & Fraiture (2014)a), Vánky (1994a), Woods, Chater, Smith ao (2018a).