identification

Flora of North America Editorial Committee (FNA). 1993a. Flora of North America north of Mexico. Vol. 2. Pteridophytes and gymnosperms. Oxford Univ. Press, New York. xvi + 475 pp.

Adams, C. D. 1972. Flowering plants of Jamaica. University of the West Indies. Mona, Jamaica. 848 pp.

• identification

Flora of North America Editorial Committee (FNA). 1997. Flora of North America north of Mexico. Vol. 3. Magnoliophyta: Magnoliidae and Hamamelidae. Oxford Univ. Press, New York. xxiii + 590 pp.

Metcalf, A.L. and R.A. Smartt. 1997. Land snails of New Mexico. Bulletin of the New Mexico Museum of Natural History and Science, 10: 1-145.

Hershler, R.H., H.-S. Liu, and C.A. Stockwell. 2002. A new genus and species of aquatic gastropods (Rissooidea: Hydrobiidae) from the North American southwest: phylogenetic relationships and biogeography. Proceedings of the Biological Society of Washingto

Hershler, R.H. 2001. Systematics of the North and Central American aquatic snail genus Tryonia (Rissooidea: Hydrobiidae). Smithsonian Contributions to Zoology, 612: 1-53.

• identification
• Mollusca
• morphology
• distribution
• Gastropoda
• Hydrobiidae