Puccinia taraxaci Plowright, 1889
on Taraxacum
Taraxacum officinale, België, prov. Limburg, Zelem, Vallei van de Zwarte Beek, 3.ix.2019 © Carina Van Steenwinkel
urediniospores
urediniospores, spinulation
Taraxacum officinale, Nieuwendam; upper side of a leaf, densely covered by uredinia
underside of the same leaf
uredinium
urediniospores
gall
No host plant alternation; aecia are missing. Spermogonia yellow, April-May. Uredinia and the rare telia amphigenous, pulverulent, dark brown and blackish brown, respectively. Urediniospores 16-25 x 22-31 µm, spinulose, with 2 germination pores in the top half of the spore, each surrounded by a spineless area. Teliospores 16-24 x 25-38 µm, elliptic, 2-celled, very finely verruculose; pedicel short, hyaline.
host plants
Asteraceae, monophagous
Taraxacum officinale.
synonyms
Puccinia taraxaci-serotini Picbauer, 1927.
P. taraxaci is often taken as a variety of P. hieracii.
references
Blumer (1946a), Brandenburger (1972a, 1985a: 696), Buhr (1965a), Doppelbaur & Doppelbaur (1973a), Gäumann (1959a), Gjaerum (1982a), González Fragoso (1922a, 1924a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kruse (2014a, 2019a), Kruse & Jage (2014a), Losa España (1942a), Mayor (1967a), Riegler-Hagler (2002b), Schmid-Heckel (1985a), Termorshuizen & Swertz (2011a), Tóth (1994a), Unamuno (1942a).