Uredinopsis struthiopteridis Störmer, 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

Abies alba, balsamea, sachalinensis var. mayriana.


on Onoclea

gall

uredinia hypophyllous, mostly sub-epidermal. The urediniospores are extruded as a thread; they are short-stalked elliptic, distally tapering into a sharp beak. A second type of uredionospores is long-stalked and pyriform. The more or less globular, usually 4-celled teliospores are formed below the epidermis, scattered in the leaf mesophyll.

uredinia, telia

Onocleaceae, monophagous

Onoclea struthiopteris.

references

Brandenburger (1985a: 7, 16), Gäumann (1959a), Klenke & Scholler (2015a), Poelt (1986a), Termorshuizen & Swertz (2011a).

24/03/2017

pub 24.iii.2017 · mod 28.vi.2017