TY  - JA
AU  - Nielsen,J.
TI  - Ustilago spp. pathogenic on Aegilops. III. Ustilago phrygica, with a descriptive key to all three Ustilago spp. on Aegilops
SN  - 1480-3305
PY  - 1992///
T2  - Canadian Journal of Botany
ER  -