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CCDB → Pteridophytes → Isoëtaceae → Isoetes → Isoetes engelmannii A. Braun
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Isoetes engelmannii A. Braun | Isoetes engelmannii A. Braun | 22 | IPCN online | Winstead, J. E. & L. J. Musselman. 1994. Ecophenic patterns of Isoetes engelmannii in a roadside and pond habitat of south central Kentucky [abstract]. ASB Bull. 41: 123. | |||
| Isoetes engelmannii A. Braun | Isoetes engelmannii A. Braun | 22 | IPCN online | Musselman, L. J., R. D. Bray & D. A. Knepper. 1997. Isoetes @xcarltaylori (Isoetes acadiensis @x Isoetes engelmannii), a new interspecific quillwort hybrid from the Chesapeake Bay. Canad. J. Bot. 75: 301–309. | |||
| Isoetes engelmannii A. Braun | Isoetes engelmannii A. Braun | 22, 44 | IPCN online | Musselman, L. J. & K. D. Heafner. 1997. Monograph of southeastern Isoetes. (Abstract). ASB Bull. 44(2): 119. | |||
| Isoetes engelmannii A. Braun | Isoetes engelmannii A. Braun | 22 | IPCN online | Musselman, L. J., D. A. Knepper, R. D. Bray, C. A. Caplen & C. Ballou. 1995. A new Isoetes hybrid from Virginia. Castanea 60(3): 245–254. | |||
| ! | Isoetes engelmannii A. Braun | Isoetes engelmannii A. Braun | 22 | IPCN online | Barr, A. D. & L. J. Musselman. 1997. New hybrids in the genus Isoetes (quillworts) in the southeastern United States. (Abstract). ASB Bull. 44(2): 119–120. | ||
| Isoetes valida (Engelm.) Clute | Isoetes engelmannii A. Braun | 22 | IPCN online | Brunton, D. F. & D. M. Britton. 1996. Taxonomy and distribution of Isoetes valida. Amer. Fern J. 86(1): 16–25. | |||
| ! | Isoetes engelmannii A. Braun | Isoetes engelmannii A. Braun | 11 | IPCN66 | Wagner & Wagner 1966 | ||
| ! | Isoetes engelmannii A. Braun | Isoetes engelmannii A. Braun | 22 | Love, 1977 | Wagner & Wagner 1966 | ||
| ! | Isoetes engelmannii A. Braun | Isoetes engelmannii A. Braun | 22 | Love, 1977 | Matthews & Murdy 1969 | ||
| ! | Isoetes engelmannii A. Braun | Isoetes engelmannii A. Braun | 22 | Love, 1977 | Wagner, Farrar & McAlpin 1970 |