Comprehensive Description
provided by North American Flora
Ustilago sphaerocarpa Sydow, Ann. Myc. 15: 145. 1917 Sori in the ovaries, evident as oblong bodies between the glumes of one or more spikelets, 3-5 mm. in length; spores rather regularly subspheric or spheric, dark-reddish-brown, opaque, apparently smooth but obscurely verruculate under an oil-immersion lens, 15-18 /i, rarely 20 >i, in diameter.
On Poaceae:
Festuca amplissima, Distrito Federal.
TTE locality: Popocatepetl, on Festuca amplissima.
Distribution: Mexico.
- bibliographic citation
- George Lorenzo Ingram Zundel, John Hendley Barnhart. 1939. (USTILAGINALES); ADDITIONS AND CORRECTIONS, HOST-INDEX. North American flora. vol 7(14). New York Botanical Garden, New York, NY
