Recent additions to systematic agrostology
- Source:
- Circular (United States. Division of Agrostology) ; no. 15 1899
- Year:
- 1899
- Subject:
- Grasses
- Format:
- 10 pages : illustrations ; 24 cm.
- Publisher:
- U.S. Dept. of Agriculture, Division of Agrostology
- Collection:
- Organic Roots Collection