共 28 条
- [13] GAISER LO, 1946, RHODORA, V48, P393
- [14] GAISER LO, 1946, RHODORA, V48, P216
- [15] GAISER LO, 1946, RHODORA, V48, P165
- [16] GODFREY R. K., 1961, AMER MIDLAND NAT, V66, P466, DOI 10.2307/2423046
- [18] Grant V, 1963, ORIGIN ADAPTATIONS
- [19] Harper J. L., 1958, NEW BIOL, V26, P30
- [20] HOPKINS CG, 1915, 9 U ILL AGR EXPT STA