The North American sunflowers (Helianthus)
by Charles B. Heiser, Jr. with Dale M. Smith, Sarah B. Clevenger, William C. Martin, Jr
Bok Engelsk 1969 Charles Bixler Heiser
| Utgitt | Durham, N.C. : Published for the Club by the Seeman Printery , 1969
|
|---|---|
| Omfang | 218 s. : ill., kart
|
| Emner |
