Ustilago echinata J. Schröt. 1869

In Great Britain and/or Ireland:
Foodplant / pathogen
embedded sorus of Ustilago echinata infects and damages live, distorted sheath of Phalaris arundinacea

Ustilago echinata Schrot. Abh. Schles. Ges. Abth. Nat. Med
1869-72 : 4. 1870.
Ustilago verrucosa Vesterg. Jahreskat. Wiener Krypt. Tausch. 3. 1897. (Type from Sweden, on
Baldingera arundhiacea .) Not U. verrucosa Schrot. 1896. Ustilago Vestergreni Sacc. & Sydow ; Sacc. Syll. Fung. 14: 413. 1899.
Sori in leaf-blades and sheaths, forming conspicuous elongate striae often running greater length of leaf, upon rupture forming dusty or semi-agglutinated brown-black sporelines ; spores rather dark reddish-brown, ovoid to spherical, provided with conspicuous irregular scale-like tubercles, which are rarely semi-anastomotic, chiefly 14-17 ^, the most elongate rarely 19 /i, in length.
On Poaceae :
Phalaris arundinacea, Nebraska, "Washington. Type locality : Silesia, Europe, on Phalaris arundinacea. Distribution : Nebraska and Washington ; also in Burope.