H.  St John, ?Novelties in Panicum (Gramineae) from Kahoolawe?, Phytologia, vol. 47, pp. 374-378, 1981.

R.  Soreng and Terrell, E. E., ?Soreng (1997)?, Phytologia, vol. 83, pp. 85-88, 1997.

R. L.  McGregor, ?Panicum capillare L. var. barbipulvinatum (Nash) comb.nov?, Phytologia, vol. xx, p. 256, Submitted.

S. D.  Koch and Vega, I. Sanchez, ?Eragrostis mexicana, E. neomexicana, E. orcuttianum and E. virescens: the resolution of a taxonomic problem?, Phytologia, vol. 58, pp. 377-380, 1985.

E. J.  Judziewicz, ?Scrotochloa, a new genus of paleotropical pharoid grasses?, Phytologia, vol. 56, pp. 299-304, 1984.

J. M. J.  de Wet and Harlan, J. R., ?Systematics of Gramineae?, Phytologia, vol. 33, pp. 203-227, 1976.

J. R.  Carlson and Barkworth, M. E., ?Carlson (1997)?, Phytologia, vol. 83, pp. 312-330, 1997.

M. E.  Barkworth, ?North American Stipeae (Gramineae): taxonomic changes and other comments?, Phytologia, vol. 74, pp. 1-25, 1993.

M. E.  Barkworth, ?Barkworth (1997)?, Phytologia, vol. 83, pp. 345-365, 1997.

M. E.  Barkworth, ?Taxonomic and nomenclatural comments on the Triticeae in North America?, Phytologia, vol. 83, pp. 302-311, 1997.