Puccinia divergens Bubák, 1907

on Carlina

Puccinia divergens op Carlina vulgaris

Carlina vulgaris, Belgium, prov. Liège, Aywaille, Carrière de la Falize, 16.vi.2018 © Carina Van Steenwinkel

Puccinia divergens op Carlina vulgaris

uredinia

Puccinia divergens: urediniospores

urediniospores

Puccinia divergens: urediniospores

urediniospores

gall

No host plant alternation. Spermogonia not described. Aecia are not formed. Uredinia brown, long covered by the swollen epidermis; urediniospores 20-33 x 24-26 µm; 3 distributed pores. Telia as the uredinia, blackish brown, pulverulent. Teliospores 2-celled, pear-shaped, 24-33 x 34-51 µm; cell wall densely and finely verrucuose; pedicel hyaline, short.

hostplants

Asteraceae, narrowly monophagous

Carlina corymbosa, libanotica, vulgaris.

Klenke &a Scholler also mention C. stricta [=> biebersteinii] which means an overlap with Puccinia carlinae.

synonyms

this species of often considered identical with, or a variety of, P. calcitrapae.

references

Brandenburger (1985a), Buhr (1964b), Gäumann (1959a), González Fragoso (1924a), Jage, Klenke, Kruse ao (2016a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Melzer, Pittoni, Poelt & Scheuer (1984a), Savchenko, Heluta, Wasser & Nevo (2014d), Scheuer & Bechter (2012a), Termorshuizen & Swertz (2011a).

mod 19.vi.2018