| Silphium perfoliatum L. | Freeman, C. C. & R. E. Brooks. 1988. Documented plant chromosome numbers 1988: 1. Chromosome counts for North American plants -- I. Sida 13: 241–250. | 88-89 | 7II | |
|
|
| Silphium perfoliatum L. | Xiong, Z. t. 1989. Karyotype and random arrangement of homologues in mitotic metaphase of Silphium perfoliatum L. Hereditas (Beijing) 11: 5–8. | 88-89 | | 14 |
|
|
| Silphium perfoliatum L. | POPOVA, M., S. Doicheva & D. Sakalieva. 1983. Kariologichna kharakteristika na Silphium perfoliatum L. Nauchni Trudove Vissh Selskost. Inst. "Vasil Kolarov" 28(4): 45–49. | 88-89 | | 14 |
|
|
| Silphium perfoliatum L. | Zhang, L., C. e. Lu & W. e. Zhao. 1986. Nuclear type analysis of Silphium perfoliatum. Grassl. China 4: 42–43. | 86-87 | | 14 |
|
|
| Silphium perfoliatum L. | Xiong, Z. t., C. y. Liu, R. h. Huang & X. w. Wu. 1990. Pollen mother cell meiosis and pollen development in Silphium perfoliatum L. with observations on some abnormal pollen grains. J. Wuhan Bot. Res. 8: 297–300. | 90-91 | 7 | |
|
|
| Silphium perfoliatum L. | Du, B. q., Q. h. Liu & C. y. Zhu. 1990. Studies on the karyotype of Silphium perfoliatum. J. Wuhan Bot. Res. 8: 189–190. | 90-91 | | 14 |
|
|
| Silphium perfoliatum L. | Xu, H. y., M. y. Chang & L. c. Tian. 1992. Studies on the karyotypes of 8 species in Silphium. Chin. Bull. Bot. 9(3): 47–49. | 92-93 | | 14 |
|
|
| Silphium perfoliatum L. | Xiong, Z. t., X. q. Chen & P. Yuan. 1993. Studies on Giemsa C-bands and chromocenters of Silphium perfoliatum. J. Wuhan Bot. Res. 11: 1–4. | 92-93 | | 14 |
|
|