Puccinia obtecta Peck

UNITED STATES DEPARTMENT OF AGRICULTURE
__ Bureau op Plant Industry
Ex. 67247	-
Pathological and Mycological Collections
Puccinia obtecta Peck
on Scirpus americanus
Dry Lagoon,Humboldt Co.,Calif., October,1934
Coll. H. S. Parks, $5286	Det. Cummins
• r o 8—7284
NEW YORK BOTANICAL GARDEN
03411160