| Erigeron strigosus Muhl. ex Willd. | Vahidy, A. A., G. Davidse & Y. Shigenobu. 1987. Chromosome counts of Missouri Asteraceae and Poaceae. Ann. Missouri Bot. Gard. 74(2): 432–433. | 86-87 | 18 | |
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| Erigeron strigosus Muhl. ex Willd. | Semple, J. C. 1985. Chromosome number determinations in fam. Compositae tribe Astereae. Rhodora 87: 517–527. | 84-85 | | 36 |
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| Erigeron strigosus Muhl. ex Willd. | Nesom, G. L. 1978. Chromosome numbers in Erigeron and Conyza (Compositae). Sida 7: 375–381. | 75-78 | | 18,27,36 |
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| Erigeron strigosus Muhl. ex Willd. | Semple, J. C. & J. G. Chmielewski. 1987. Chromosome number determinations in fam. Compositae, tribe Astereae. II. Additional counts. Rhodora 89: 319–325. | 86-87 | | 18 |
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| Erigeron strigosus Muhl. ex Willd. | Semple, J. C., J. G. Chmielewski & M. E. Lane. 1989. Chromosome number determinations in fam. Compositae, tribe Astereae. III. Additional counts and comments on generic limits and ancestral base numbers. Rhodora 91: 296–314. | 88-89 | c.9II | |
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| Erigeron strigosus Muhl. ex Willd. | Keil, D. J., M. A. Luckow & D. J. Pinkava. 1988. Chromosome studies in Asteraceae from the United States, Mexico, the West Indies, and South America. Amer. J. Bot. 75: 652–668. | 88-89 | 9II | 27 |
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| Erigeron strigosus Muhl. ex Willd. | Rostovtseva, T. S. 1979. Chromosome numbers of some species of the family Asteraceae Dumort. Bot. Zhurn. SSSR 64 (4): 582–589. | 79-81 | | 36 |
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| Erigeron strigosus Muhl. ex Willd. | Frey, D., M. Baltisberger & P. J. Edwards. 2003. Cytology of Erigeron annuus s.l. and its consequences in Europe. Bot. Helv. 113(1): 1–14. | 01-03 | | 18 |
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