| Antennaria neodioica subsp. howellii (Greene) R.J. Bayer | Bayer, R. J. & G. L. STEBBINS. 1987. Chromosome numbers, patterns of distribution, and apomixis in Antennaria (Asteraceae: Inuleae). Syst. Bot. 12: 305–319. | 86-87 | | 140 |
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| Antennaria neodioica subsp. howellii (Greene) R.J. Bayer | Chinnappa, C. C. 1986. Chromosome numbers in Antennaria (Asteraceae: Inuleae) from western North America. Canad. J. Genet. Cytol. 28: 468–475. | 86-87 | | c.56, c.68, 98, 100, 112, etc. |
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| Antennaria neodioica subsp. howellii (Greene) R.J. Bayer | Chmielewski, J. G. & C. C. Chinnappa. 1988. The genus Antennaria (Asteraceae: Inuleae) in western North America. II. Additional chromosome counts. Rhodora 90: 133–137. | 88-89 | | 70, 112 |
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