Entyloma helosciadii Magnus, 1882
on Apiaceae
Heloscadium nodiflorum, Belgium, prov. Antwerpn, Mol, 22.vii.2014 © Carina Van Steenwinkel
detail
advanced infection
the majority of the embedded mass of spores already had germinated
throtgh thr stomate erupt caespituli of the Entylomella stage.
Next to the conidia depicted, according to the literature also aciculate conidia may occur.
gall
round or oval, hardly thickened spots, 1-3 mm in diameter, first whitish, later brown. Spores embedded, smooth, yellowish, 6-12 x 8-16 µm.
host plants
Apiaceae, oligophagous
Apium; Berula erecta; Helosciadium nodiflorum, repens; Oenanthe banatica, crocata, silaifolia; Sium latifolium.
synonyms
Entyloma flavum Ciferri, 1924; E. oenanthes Maire, 1903.
references
Ainsworth & Sampson (1950a), Almaraz (1998a), Brandenburger (1985a: 431, 432, 449), Buhr (1964b, 1965a), Ellis & Ellis (1997a), Klenke & Scholler (2015a), Scholz & Scholz (2013a), Van Steenwinkel & Fraiture (2023a), Thiel, Klenke, Kruse, ao (2023a), Tomasi (2014a), Vánky (1994a), Woods, Chater, Smith ao (2018a).