Melanotaenium endogenum (Unger) de Bary, 1874
bedstraw smut
on Galium
Galium verum, Denmark, Mols, cliffs, vi.2023 © Sébastien Carbonelle
infected plants
gall
sori as lead-coloured warts in rows along the lower internodes of the stem; often they are so numerous that the internodium seems generally swollen; spores are formed in the host tissue, the black spore mass therefore is agglutinated, not powdery. Infected plants do not flower.
host plants
Rubiaceae, monophagous
Galium album, biebersteinii, boreale, glaucum, laevigatum, mollugo, odoratum, verum.
Buhr adds G. glaucum. According to Ellis & Ellis mainly on G. verum.
references
Ainsworth & Sampson (1950a), Brandenburger (1985a: 503), Buhr (1964b), Dauphin & Aniotsbehere (1997a), Ellis & Ellis (1997a), Klenke (2002a), Klenke & Scholler (2015a), Kruse (2019a), Lutz & Vánky (2009a), Melzer, Pittoni, Poelt & Scheuer (1984a), Redfern & Shirley (2011a), Scholz & Scholz (2013a), Vanderweyen & Fraiture (2014)a), Vánky (1994a), Woods, Chater, Smith ao (2018a).