Puccinia phragmitis

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UNITED STATES DEPARTMENT OF AGRICULTURE
Bureau of Plant Industry—Pathological Collections
MYCOLOGICAL EXCHANGE OF 1021
549. Puccinia phragmitis (Sclium.) Koern.—I,
On Rheum rhaponticum.
?s. June 2
AL
Callaway, Xebr,
J. AT. Bates*
NEW YORK BOTANICAL GARDEN
034
2068
, 1002.
03412068