nrDNA

Clench, W. J. and R. D. Turner. 1956. Freshwater mollusks of Alabama, Georgia, and Florida from the Escambia to the Suwanee River. Bulletin of the Florida State Museum Biological Sciences 1(3):97-239.

• morphology
• rara
• Unionidae
• nrDNA
• Zuni Pueblo
• distribution

Schwarzbach, A.E. and J.W. Kadereit. 1999. Phylogeny of prickly poppies, Argemone (Papaveraceae), and the evolution of morphological and alkaloid characters base on ITS nrDNA sequence variation. Plant Syst. Evol. 218:257-279.

• Papaveraceae
• release
• Papaveroideae
• twelve-spotted skimmer
• nrDNA
• Phylogeny

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