Plant Parasites of Europe

leafminers, galls and fungi

Puccinia expansa

Puccinia expansa Link, 1825

on Asteraceae, Senecioneae

Puccinia expansa: telia on Jacobaea vulgaris

Jacobaea vulgaris, Assen © Ben van As: telia

Puccinia expansa: telia on Jacobaea vulgaris

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Puccinia expansa: telia on Jacobaea vulgaris

teliospores

gall

No hostplant alternation; only telia: blackish, in dense , mainly hypophyllous groups on yellowish leaf spots; the spores are released through a pore. Spores 2celled; wall smooth, evenly thin; pedicel short, hyaline, deciduous.

host plants

Asteraceae, narrowly oligophagous

Adenostyles alliariae, alpina, leucophylla; Dolichorrhiza caucasica; Iranecio eriospermus; Jacobaea alpina, aquatica, subalpina, vulgaris; Ligularia; Petasites paradoxus; Senecio cannabifolius, doria subsp. umbrosus, doronicum, inaequidens, nemorensis, “orientalis”, ovatus, pyrenaicus, sarracenicus, squalidus subsp. rupestris.

synonyms

Puccinia glomerata Greville, 1827.

references

Alber, Défago, Sedlar & Kern (1984a), Bahçecioğlu & Kabaktepe (2012a), Blumer (1946a), Brandenburger (1985a: 643, 650), Buhr (1965a), Doppelbaur & Doppelbaur (1973a), Ellis & Ellis (1997a), Gäumann (1959a), González Fragoso (1924a), Henderson (2000a, 2004a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kruse (2019a), Ludwig (1974a), Maier, Wingfield, Mennicken & Wingfield (2007a), Maire (1943a), Mayor (1975a), Poelt & Zwetko (1997a), Preece & Hick (1994a), Redfern & Shirley (2011a), Roskam (2019a), Schmid-Heckel (1985a), Termorshuizen & Swertz (2011a), Tomasi (2003a, 2014a), Vanderweyen & Fraiture (2011a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).

Last modified 26.xi.2022