共 15 条
- [1] Bessey EA., 1950, MORPHOLOGY TAXONOMY, DOI 10.5962/bhl.title.5663
- [3] Drechsler C, 1929, J AGRIC RES, V38, P0309
- [4] DRECHSLER CHARLES, 1940, JOUR WASHINGTON ACAD SCI, V30, P240
- [5] DRECHSLER CHARLES, 1951, BULL TORREY BOT CLUB, V78, P183, DOI 10.2307/2481973
- [6] Drechsler Charles, 1947, BULL TORREY BOT CLUB, V74, P403, DOI 10.2307/2482063
- [7] DRECHSLER CHARLES, 1955, JOUR WASHINGTON ACAD SCI, V45, P49
- [8] Eidam E., 1886, BEITR BIOL PFLANZ, V4, P181
- [10] FAIRCHILD DG, 1896, JAHRB WISS BOT, V30, P285