Gypsum

Lowrey, T., and P.J. Knight. 1994. Townsendia gypsophila (Compositae [Asteraceae]): a new species from northern New Mexico. Brittonia 46(3): 194-199.

• Townsendia gypsophila
• Morrison Formation
• Todilto Formation
• Asteraceae
• Gypsum
• gypsophily
• Compositae
• edaphic endemic

U.S. Fish and Wildlife Service. 2005. Draft 5-Year Review for the Gypsum Wild Buckwheat (Eriogonum gypsophilum). 21 p.

• black river
• Seven Rivers
• Polygonaceae
• gypsum wild buckwheat
• Eriogonum gypsophilum
• Gypsum
• Yeso Formation
• Ben Slaughter Draw

Nesom, G.L., L.A. Vorobik, and R.L. Hartman. 1990. The identity of Aster blepharophyllus (Asteraceae: Astereae). Systematic Botany 15(4): 638-642.

• Machaeranthera gypsitherma
• thermal springs
• Aster blepharophyllus
• Gypsum
• hot springs

Worthington, R.D., and W.H. Reid. 1985. Vegetation of the gypsum dune habitat, Hudspeth County, Texas. Report prepared for the Texas Nature Conservancy, San Antonio, Texas.

• Gypsum
• vegetation

Turner, B.L. 1977. Lepidospartum burgessii (Asteraceae, Senecioneae), a remarkable new gypsophilic species from Trans-Pecos Texas. Wrightia 5: 354-355.

• Gypsophilic
• Gypsum
• Lepidospartum burgessii