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Herbarium Research

The Reproductive Biology of the Threatened Chisos Mountain Hedgehog Cactus (Echinocereus chisoensis, Cactaceae)

  • Pourner, Mark. 2000-2001: Echinocereus chisoensis pollinator flight distance and visitation frequency
  • Kornegay, Joshua: 2000-2001. Chemical analyses of the floral attractants of the rare Echinocereuschisoensis (Cactaceae) (with Drs. Bonnie Amos, Kelly McCoy, ASU Department of Biology, and Dr. Nick Flynn, ASU Department of Chemistry and Biochemistry)
  • Amos, Bonnie and Christos Vassiliou. 2001. Preliminary report on the reproductive biology of the threatened Chisos Mountain Hedgehog Cactus (Echinocereus chisoensis). In J. Maschinski. 2001. Proceedings of the Third Southwestern Rare and Endangered Plant Conference, Flagstaff , AZ.
  • Neil, Jason. 2000-2002. Fruit and seed dispersal in Echinocereus chisoensis (Cactaceae)
  • Anaya, Sandra Yadira. 2003-2004. A comparison of the sugars in the floral nectar of the threatened Chisos Mountain Hedgehog Cactus (Cactaceae) with four co-flowering cactus species. (with Dr. Bonnie Amos and Dr. Nick Flynn, ASU Department of Chemistry/Biochemistry)

Floral Spectral Analyses

  • Gineva, Kremena G. 2002-2004. Floral spectral analysis of the threatened Chisos Mountain Hedgehog Cactus (Echinocereus chisoensis, Cactaceae). (with Dr. Bonnie Amos and Dr. David Bixler, ASU Department of Physics)
  • Gineva, Kremena, Bonnie Amos, David Bixler. 2003-2004. Spectral patterns of UV reflectance in flowers of different species of the Concho Valley flora.
  • Coffey, Joshua, Bonnie Amos, David Bixler. 2004-2005. Floral spectral patterns of UV reflectance in different Texas cacti species.

Reintroduction of the Endangered Texas Poppy Mallow

Texas Poppy Mallow Reintroduction Project for the Mitchell County Board of Economic Development, Colorado City, Texas (2002-2005)

Investigating Genetic Diversity in Rare Plants

  • Masters, Jeffery. 2001-2002. Comparative allozyme analysis of Echinomastus warnockii and Echinomastus mariposensis (Cactaceae) using cellulose acetate electrophoresis
  • Dastidar, Sayantani Ghosh. 2003-2004. A molecular study of genetic variability in the threatened Echinocereus chisoensis (Cactaceae). (with Dr. Bonnie Amos and Dr. Loren Ammerman)
  • Masters, Jeffrey. 2002-2004. Estimating the genetic diversity of Echinocereus chisoensis (Cactaceae)
  • Choi, Phillip. 2004-2005. A molecular study of genetic variability in the threatened Echinocereus chisoensis (Cactaceae). (with Dr. Bonnie Amos and Dr. Loren Ammerman)
  • Owens, Lynn. 2004-2006. Allozyme analysis of the rare big-pod bonamia (Bonamiaovalifolia, Convolvulaceae)

Establishing an Experimental Population of Echinocereus chisoensis

National Park Service ($8,535). Establishing an Experimental Population of Echinocereus chisoensis in Big Bend National Park (with Dr. Joe Sirotnak of Big Bend National Park and Ms. Kathy Rice, Desert Botanical Garden, Phoenix, Ariz.)

Herbarium Database Implementation

Database development and internet dissemination for the biodiversity of the Concho Valley of West-Central Texas. Funded by the National Science Foundation for $154,929, June 1, 2000-May 31, 2003. (with Drs. Robert Dowler, Terry Maxwell, Kelly McCoy)