Tanacetum vulgare, Loenen (Ge) © Arnold Grosscurt

uredinia at the underside of the leaf

Tanacetum vulgare, Belgium, prov. Antwerp, Meerhout, de Vloyen © Carina Van Steenwinkel: telia

Tanacetum vulgare, Belgium, prov. Limbourg, Lummen, Schulensbroek © Carina Van Steenwinkel: telia (early December)

teliospores

stronger magnification

Tanacetum vulgare, België, prov. Limbourg, Kuringen © Carina Van Steenwinkel: teliospores and two urediniospores

gall

No host plant alternation, only uredinia and telia, both amphigenous, dispersed over the leaf; Uredinia pale brown, spores spinulose with three pores, each one covered by a low hyaline, smooth papilla. Telia blackish brown to black, soon naked, compact; spores 2-celled, wall smooth, apically strongly thickened, pedicel persistent, hyaline, long.

host plants

Asteraceae, narrowly monophagous

Tanacetum parthenium, vulgare.

synonyms

some authors consider tanaceti conspecific with several species living on Artemisia.

references

Brandenburger (1985a), Buhr (1965a), Ellis & Ellis (1997a), Gäumann (1959a), Gjaerum (1982a), González Fragoso (1924a), Henderson (2000a, 2004a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Ludwig (1974a), Negrean (1997a), Poelt & Zwetko (1997a), Roskam (2009a), Ruszkiewicz-Michalska (2006a), Termorshuizen & Swertz (2011a), Vanderweyen & Fraiture (2011a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).