| Allan, Gerard J., Curtis Clark, and Loren H. Riesberg. 1997. Distribution of parental DNA markers in Encelia virginensis (Asteraceae: Heliantheae), a diploid species of putative hybrid origin. Pl. Syst. Evol. 205:205-221. | Reprint .pdf, 1045 kb |
| Budzikiewicz, Herbert, Gabriela Laufenberg, Curtis Clark, and Peter Proksch. 1984. New benzofuran derivatives from Enceliopsis argophylla. Phytochemistry 23:2625-2627. | Reprint .pdf, 357 kb |
| Charest-Clark, Nancy. 1984. Preliminary scanning electron microscopic study of the peduncle, phyllary, and pale trichomes of Encelia (Asteraceae: Heliantheae). Crossosoma 10(4):1-6. | Reprint |
| Clark, Curtis. 1998. Phylogeny and adaptation in the Encelia alliance (Asteraceae: Heliantheae). Aliso 17:89-98. | Reprint .pdf, 819 kb |
| Clark, Curtis. 1998. New names and combinations in Encelia frutescens sensu lato (Asteraceae: Heliantheae). Aliso 17:201-202. | Reprint .pdf, 143 kb |
| Clark, Curtis and Donald W. Kyhos. 1980. Specific status for Encelia californica var. asperifolia (Compositae: Heliantheae). Madroño 27:48. | Reprint .pdf, 68 kb |
| Clark, Curtis, Donald W. Kyhos, and Nancy Charest. 1988. A new Encelia (Asteraceae: Heliantheae) from Baja California. Madroño 35:10-15. | Reprint .pdf, 245 kb |
| Clark, Curtis and Donald L. Sanders. 1985. Lectotypification of Enceliopsis covillei (A. Nelson) S.F. Blake (Asteraceae: Heliantheae) and a consideration of its correct name. Taxon 34:147-149. | Reprint .pdf, 145 kb |
| Clark, Curtis and Donald L. Sanders. 1986. Floral ultraviolet in the Encelia alliance (Asteraceae: Heliantheae). Madroño 33:130-135. | Reprint .pdf, 279 kb |
| Ehleringer, James R. and Curtis Clark. 1987. Evolution and adaptation in Encelia (Asteraceae). Pp. 221-248 in Plant evolutionary biology. L.D. Gottlieb and S.K. Jain, eds. Chapman & Hall, London. | Reprint .pdf, 1650 kb |
| Harrington, Daniel F., and Curtis Clark. 1989. Reduction in light reflectance of leaves of Encelia densifolia (Asteraceae) by trichome wetting. Madroño 36:180-186. | Reprint .pdf, 273 kb |
| Isman, Murray B., Peter Proksch, and Curtis Clark. 1990. Terpenoid anti-herbivore chemistry of Encelia species (Asteraceae). Biochemistry of the Mevalonic Acid Pathway to Terpenoids, ch. 7 in Recent Advances in Phytochemistry 24:249-264. Plenum Press, New York. | Reprint .pdf, 511 kb |
| Kyhos, D.W., Curtis Clark, and Wm. C. Thompson. 1981. The hybrid nature of Encelia laciniata (Compositae: Heliantheae) and control of population composition by post-dispersal selection. Syst. Bot. 6:399-411. | Reprint .pdf, 652 kb |
| Proksch, Peter and Curtis Clark. 1987. Systematic implications of chromenes and benzofurans from Encelia (Asteraceae). Phytochemistry 26:171-174. | Reprint .pdf, 465 kb |
| Proksch, Peter, Ursula Politt, Eckhard Wollenweber, Victor Wray, and Curtis Clark. 1988. Epicuticular flavonoids from Encelia. Planta Medica 1988:483-584. | Reprint .pdf, 686 kb |
| Sanders, Donald L. and Curtis Clark. 1987. Comparative morphology of the capitulum of Enceliopsis. Amer. J. Bot. 74:1072-1086. | Reprint .pdf, 1017 kb |
| Allan, Gerard J. 1995. Distribution of parental DNA markers in Encelia virginensis (Asteraceae: Heliantheae) a diploid species of putative hybrid origin. M.S. Thesis, Claremont Graduate University. vii + 38 p. | Abstract | Reprint |
| Carpenter, Kevin J. 1999. Comparative morphology of disk floret trichomes of Encelia (Asteraceae: Heliantheae). M.S. Thesis, California State Polytechnic University, Pomona. | Abstract | Reprint .pdf, 416 kb |
| Charest, Nancy A. 1988. A scanning electron microscopic study of the peduncle, phyllary, and palea trichomes of Encelia (Asteraceae: Heliantheae). M.S. Thesis, California State Polytechnic University, Pomona. vii + 83 p. | Abstract | Reprint |
| Miller, David S. 1988. Comparative studies of Encelia farinosa (Asteraceae: Heliantheae) of desert and cismontane origins in southern California. M.S. Thesis, California State Polytechnic University, Pomona. | Abstract | Reprint |
| Nishida, Joy H. 1988. Systematics of Geraea (Asteraceae: Heliantheae). M.S. Thesis, California State Polytechnic University, Pomona. vi + 31 p. | Abstract | Reprint |
| Sanders, Donald L. 1986. Comparative morphology of the capitulum of Enceliopsis (Asteraceae: Heliantheae). M.S. Thesis, California State Polytechnic University, Pomona. v + 49 p. | Abstract | Reprint |
| Allan, Gery J., Curtis Clark, and Loren Rieseberg. 1993. Encelia virginensis (Asteraceae): Origin and genetic composition of a diploid species of putative hybrid origin. Amer. J. Bot. 80(6), Supplement, p. 129. | Abstract | Presentation |
| Carpenter, Kevin J., and Curtis Clark. 1999. Comparative morphology of disk floret trichomes of Encelia (Asteraceae). XVI International Botanical Congress, Abstracts. Poster 415, Abstract 2276, p. 362. | Abstract | Poster .pdf, 826 kb |
| Clark, Curtis. 1982. Hybridization in Encelia (Compositae: Heliantheae) and its effect on phylogenetic analysis. Botanical Society of America, Misc. Ser., Publ. 162. | Abstract .pdf, 210 kb | |
| Clark, Curtis. 1983. Systematics and biogeography of the Encelia frutescens alliance (Asteraceae: Heliantheae). Amer. J. Bot. 70(5), Part 2, p. 109. | Abstract .pdf, 206 kb | |
| Clark, Curtis. 1986. The phylogeny of Encelia (Asteraceae: Heliantheae). Amer. J. Bot. 73:757. | Abstract .pdf, 179 kb | |
| Clark, Curtis. 1988. A phylogenetic view of climatic tolerance in the Encelia alliance (Asteraceae: Heliantheae). Amer. J. Bot. 75(6), Part 2, p. 165. | Abstract | |
| Clark, Curtis. 1995. Reconciling phenotypic and ITS sequence phylogenies in the Encelia alliance (Asteraceae: Heliantheae) to study character evolution. Amer. J. Bot. 82(6), Supplement, p. 120. | Abstract | Presentation |
| Clark, Curtis. 1996. Evidence for homoploid hybrid speciation in Encelia (Asteraceae: Heliantheae). California State University, Fullerton, CA (weekly seminar series, March 13). | Abstract | Presentation |
| Clark, Curtis. 1997. Phylogeny and adaptation in the Encelia alliance (Asteraceae: Heliantheae). "Evolution and Taxonomy of Southwestern Plants", Thirteenth Annual Southwestern Botanical Systematics Symposium, Rancho Santa Ana Botanic Garden, Claremont, CA. (May 24) | Abstract | Presentation |
| Clark, Curtis, and Gerard J. Allan. 1997. Hybrid speciation with external barriers: Encelia (Asteraceae: Heliantheae), a case study. Amer. J. Bot. 83(6), Supplement, p. 249. | Abstract | Poster .pdf, 1.40 Mb |
| Clark, Curtis, and D.W. Kyhos. 1978. Encelia X laciniata (E. ventorum X E. palmeri ): interspecific hybridization in Baja California. California Botanical Society, Graduate Student Meetings. | Abstract | |
| Clark, Curtis, and D.W. Kyhos. 1979. Origin of species by hybridization in Encelia (Compositae: Heliantheae). Botanical Society of America, Misc. Ser., Publ. 157. | Abstract .pdf, 204 kb | |
| Clark, Curtis, Donald W. Kyhos, and Wm. C. Thompson. 1980. Evidence for the origin of diploid species in Encelia (Compositae: Heliantheae) by hybridization. In: Evolution Today, Second International Congress of Systematic and Evolutionary Biology, Abstracts, p. 165. | Abstract .pdf, 131 kb | |
| Clark, Curtis, Rashmi Pant, and Gerard J. Allan. 1998. Hybrid speciation in Encelia virginensis (Asteraceae): Evidence from multiple ITS chimeras. Society for Systematic Biology, Annual Meeting (presented by the coauthors). | Poster .pdf, 1.26 Mb | |
| Clark, Curtis, Wm. C. Thompson, and Donald W. Kyhos. 1980. Comparative morphology of the leaf trichomes of Encelia (Compositae: Heliantheae). Botanical Society of America, Misc. Ser., Publ. 158. | Abstract .pdf, 199 kb | Poster |
| Clark, Nancy Charest, and Curtis Clark. 1984. Comparison of trichomes of the capitulum to leaf trichomes of the Encelia californica clade (Asteraceae: Heliantheae). Amer. J. Bot. 71(5), Part 2, p. 152. | Abstract .pdf, 184 kb | Poster |
| Sanders, Donald L., and Curtis Clark. 1984. Comparative morphology of the disk florets of Enceliopsis (Asteraceae: Heliantheae). Amer. J. Bot. 71(5), Part 2, p. 153. | Abstract .pdf, 164 kb | Poster |
| Nishida, Joy H., and Curtis Clark. 1988. Scanning electron microscopic study of the trichomes of Geraea (Asteraceae: Heliantheae). Amer. J. Bot. 75(6), Part 2, pp. 196-197. | Abstract | |
| Proksch, Peter, and Curtis Clark. 1984. New chromenes and benzofurans from the Encelia alliance (Asteraceae: Heliantheae) and their systematic significance. Amer. J. Bot. 71(5), Part 2, p. 183. | Abstract .pdf, 211 kb |
Space for this page is provided by California State Polytechnic University, Pomona. Although it is intended to further the educational mission of the University, the opinions expressed here are those of Curtis Clark, and do not represent official policy of the University.