R. D.  Webster, Peterson, P. M., and Shaw, R. B., ?Notes on Eriochloa weberbaueri (Poaceae: Paniceae)?, Sida, vol. 16, pp. 57-61, 1994.

A. S.  Weakley and Peterson, P. M., ?Taxonomy of the Sporobolus floridanus complex (Poaceae:Sporobolinae)?, Sida, vol. 18, pp. 247-270, 1998.

E. E.  Terrell and Peterson, P. M., ?Caryopsis morphology and classification in the Triticeae (Pooideae: Poaceae)?, Smithsonian Contributions to Botany, vol. 83, pp. 1-23, 1993.

E. E.  Terrell, Peterson, P. M., Reveal, J. L., and Duvall, M. R., ?Taxonomy of North American species of Zizania (Poaceae)?, Sida, vol. 17, pp. 533-549, 1997.

G. R.  Sykes, Christensen, A. H., and Peterson, P. M., ?A chloroplast DNA analysis of Chaboissaea (Poaceae: Eragrostideae)?, Systematic Botany, vol. 22, pp. 291-302, 1997.

N.  Snow and Peterson, P. M., ?First record of Leptochloa filiformis for Nevada?, Madrono, vol. 39, p. 158, 1992.

A. M.  Planchuelo and Peterson, P. M., ?A taxonomic revision of Bromus (Poaceae) of South America?, in Monocots II Abstracts,  and Wilson, K., Eds. Sydney: RBG, 1998, p. 79.

A. M.  Planchuelo and Peterson, P. M., ?The species of Bromus (Poacee: Bromeae) in South America?, in Grasses, Systematics and Evolution, S. W. L.  Jacobs and Everett, J., Eds. Collingwood: CSIRO Publishing, 2000, pp. 89-101.

P. M.  Peterson and Herrera, Y. A., ?Allozyme variation in the amphitropical disjunct Chaboissaea (Poaceae: Eragrostideae)?, Madrono, vol. 42, pp. 427-449, 1995.

P. M.  Peterson and Herrera, Y. A., ?A leaf-blade anatomical survey of Muhlenbergia (Poaceae:Muhlenbergiinae)?, Sida, vol. 19, pp. 469-506, 2001.

P. M.  Peterson and Ortiz-Diaz, J. - J., ?Allelic variation in the amphitropical disjunct Muhlenbergia torreyi (Poaceae: Muhlenbergiinae)?, Brittonia, vol. 50, pp. 381-391, 1998.

P. M.  Peterson and Rieseberg, L. H., ?Flavonoids of the annual Muhlenbergia?, Biochemical Systematics and Ecology, vol. 15, pp. 647-652, 1987.

P. M.  Peterson, Soreng, R. J., and Davidse, G., ?(1365) Proposal to conserve the name Elionurus (Poaceae, Andropogoneae) with that spelling?, Taxon, vol. 47, pp. 737-738, 1998.

P. M.  Peterson and Valdes-Reyna, J., ?Muhlenbergia jaime-hintonii?, Sida, vol. 18, pp. 685-691, 1999.

P. M.  Peterson, Webster, R. D., and Reyna, J. Valdes, ?Genera of New World Eragrostideae (Poaceae:Chloridoideae)?, Smithsonian Contributions to Botany, vol. 87, p. 1050, 1997.

P. M.  Peterson, Webster, R. D., and Valdes-Reyna, J., ?Subtribal classification of the New World Eragrostideae (Poaceae:Chloridoideae)?, Sida, vol. 16, pp. 529-544, 1995.

P. M.  Peterson, Wipff, J. K., and Jones, S. D., ?Muhlenbergia pilosa (Poaceae: Eragrostideae), a new species from Mexico?, Madrono, vol. 39, pp. 150-154, 1992.

P. M.  Peterson and de Agrasar, Z. E. Rugolo, ?Danthonia annabeleae (Poaceae: Danthonieae), a new species from Bolivia?, Madrono, vol. 40, pp. 69-74, 1993.

P. M.  Peterson and Annable, C. R., ?A revision of Chaboissaea (Poaceae: Eragrostideae)?, Madrono, vol. 39, pp. 8-30, 1992.

P. M.  Peterson, Annable, C. R., and Franceschi, V. R., ?Comparative leaf anatomy of the annual Muhlenbergia (Poaceae)?, Nordic Journal of Botany, vol. 8, pp. 575-583, 1989.

P. M.  Peterson and J. Columbus, T., ?Allelic variation in the amphtropical disjunct Scleropogon brevifolius (Poaceae:Eragrostideae)?, Biollania Edicion Esp., vol. 6, pp. 473-490, 1997.

P. M.  Peterson, Duvall, M. R., and Christensen, A. H., ?Allozyme differentiation among Beallia mexicana, Muhlenbergia argentea, and M. lucida (Poaceae: Eragrostideae)?, Madrono, vol. 40, pp. 148-160, 1993.

P. M.  Peterson, ?Muhlenbergia?, in The Jepson Manual: higher plants of California, J. C.  Hickman, Ed. Berkeley: University of California Press, 1993, pp. 1272-1275.

P. M.  Peterson, ?A new combination in Eragrostis (Poaceae:Eragrostideae)?, Sida, vol. 17, pp. 105-107, 1996.

P. M.  Peterson, ?Allelic variation in the amphitropical disjunct Lycurus setosus(Poaceae: Muhlenbergiinae)?, Madrono, vol. 44, pp. 334-346, 1997.

P. M.  Peterson, ?Systematics of the Muhlenbergiinae (Chlidoideae:Eragrostideae)?, in Monocots II Abstracts, K.  Wilson, Ed. Sydney: RBG, 1998, p. 43.

P. M.  Peterson, ?Scientific Note?, Castanea, vol. 64, pp. 201-202, 1999.

P. M.  Peterson, ?Systematics of the Muhlenbergiinae?, in Grasses, Systematics and Evolution, S. W. L.  Jacobs and Everett, J., Eds. Collingwood: CSIRO Publishing, 2000, pp. 195-212.

P. M.  Peterson, ?Chromosome numbers in the annual Muhlembergia (Poaceae)?, Madrono, vol. 35, pp. 320-324, 1988.

P. M.  Peterson, ?Muhlenbergia majalcensis (Poaceae: Eragrostideae), a new species from Chihuahua, Mexico?, Systematic Botany, vol. 14, pp. 316-319, 1989.

P. M.  Peterson, ?Lemma micromorphology in the annual Muhlenbergia (Poaceae)?, Southwest Naturalist, vol. 34, pp. 61-71, 1989.

X.  Londono and Peterson, P. M., ?Guadua chacoensis (Poaceae:Bambusaeae), its taxonomic identity, morpgology, and affinities?, Novon, vol. 2, pp. 41-47, 1992.

S.  Laegaard and Peterson, P. M., Flora of Ecuador 68 (ed. Harling & Andersson), 214(2) Gramineae (pt 2) Chloridoideaeth ed. Goteborg: Botanical Institute, Goteborg University, 2001, p. 131.

E. J.  Judziewicz and Peterson, P. M., ?Sporobolus tmomairemsis (Poaceae: Eragrostideae): a new species form northern South America?, Systematic Botany, vol. 14, pp. 525-528, 1989.

M. R.  Duvall, Peterson, P. M., Terrell, E., and Christensen, A. H., ?Phylogeny of North American oryzoid grasses as constructed from maps of plastid restriction sites?, American Journal of Botany, vol. 80, pp. 83-88, 1993.