L. J.  Musselman, Taylor, W. C., and Bray, R. D., ?Isoetes mattaponica (Isoetaceae), a new diploid quillwort from freshwater tidal marshes of Virginia?, Novon, vol. 11, no. 2, pp. 200 - 204, 2001.

Q. - F.  Wang, Liu, X., Taylor, W. C., and He, Z. - R., ?Isoetes yunguiensis (Isoetaceae), a new basic diploid quillwort from China?, Novon, vol. 12, no. 4, pp. 587 - 591, 2002.

S. B.  Hoot, Napier, N. S., and Taylor, W. C., ?Revealing unknown or extinct lineages within Isoëtes (Isoëtaceae) using DNA sequences from hybrids?, American Journal of Botany, vol. 91, no. 6, pp. 899 - 904, 2004.

S. B.  Hoot, Taylor, W. C., and Napier, N. S., Phylogeny and biogeography of Isoëtes (Isoëtaceae) based on nuclear and chloroplast DNA sequence data, vol. 31, no. 3. 2006, pp. 449 - 460.