Ustilago filiformis (Schrank) Rostr. 1890

In Great Britain and/or Ireland:
Foodplant / pathogen
embedded sorus of Ustilago filiformis infects and damages live leaf of Glyceria maxima
Other: major host/prey

Foodplant / pathogen
embedded sorus of Ustilago filiformis infects and damages live leaf of Glyceria fluitans
Other: minor host/prey

Ustilago longissima (Sow.) Tul. Ann. Sci. Nat
III. 7: 76. 1847.
Ly coper don filiforme Schrank, Bot. Tasch. Hoppe 1793: 69. 1793. (Type from Bavaria, on Poa
aquaiica.) Uredo longissima Sow. Engl. Fungi ^/. 139. 1798. Ustilago Jiliformis Rostr. Fests. Bot. For. KJ0b. 136. 1890.
Sori in leaves, forming more or less distinct and linear groups from a few mm. to length of the leaf, soon rupturing epidermal covering and the reddish-brown spore-mass becoming scattered from the more or less shredded tissues ; spores light-brown, oblong or ellipsoidal to spherical, smooth or scarcely granular under an immersion, 4-8// in length.
On Poaceae :
Panicularia a-mericana {Glyceria grandis), Connecticut, Iowa, Massachusetts, Michigan,
Minnesota, New York, Vermont, Wisconsin. Panicularia {Glyceria) sp., New Hampshire. Type locality: Ivambeth Marsh, England, on Poa aquaiica {Panicularia aquatica). Distribution : New England to Minnesota and Iowa ; also in South America, Europe, and Asia.

Ustilago filiformis je grzib, co go nojprzōd ôpisoł Franz von Paula Schrank, a terŏźnõ nazwã doł mu Emil Rostrup 1890. Ustilago filiformis nŏleży do zorty Ustilago i familije Ustilaginaceae. Żŏdne podgatōnki niy sōm wymianowane we Catalogue of Life.

甜茅黑粉菌（学名：Ustilago filiformis）是属于黑粉菌目黑粉菌科黑粉菌属的一种真菌，寄生在甜茅属上。该种分布于中国、印度、丹麦、挪威、瑞典、芬兰、爱沙尼亚、拉脱维亚、俄罗斯、波兰、德国、奥地利、法国、匈牙利、瑞士、荷兰、英国、西班牙、意大利、南斯拉夫、罗马尼亚、保加利亚、加拿大、美国、阿根廷等地。