A key to species of Helminthosporum reported on grasses in the United States
By: E.S. Luttrell
Contributors: United States. Plant Disease Survey
Series: Plant disease reporter -- suppl. 201; Plant disease reporter -- suppl. 201.
Publisher: Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture
Published: 1951
Place of publication: Beltsville, Md
Language: eng
Number of pages: 67
Subjects: Grasses; Helminths; Diseases and pests
Notes: Caption title.

"May 15, 1951."

Includes bibliographical references.