Uredinopsis pteridis Dietel & Holway, 1895
Fungi,Pucciniales, Pucciniastraceae
on Abies
gall
Spermogonia at the underside of the current year needles, subepidermal, colourless. There also in two rows the aecia, up to 0.2 mm wide and 1 mm high, white, fragile.
spermogonia, aecia
Pinaceae, monophagous
on Pteridium
gall
uredinia hypophyllous yellowish brown pustules on vein-limited leaf spots. The urediniospores are extruded as a thread; they are distinctly spinulose, short-stalked elliptic, distally with a short sharp beak. The more or less globular, usually 4-celled teliospores are formed below the epidermis, scattered in the leaf mesophyll.
uredinia, telia
Dennstaedtiaceae, monophagous
Pteridium aquilinum.
references
Brandenburger (1985a: 8), Gäumann (1959a), Klenke & Scholler (2015a), McTaggart, Geering & Shivas (2014a).
24/03/2017
mod 28.vi.2017