Published Abstracts

  1. Clark, Curtis, Karen W. Bowers, Phillip Hall, and W. Ethen Perkins. 1973. Fluorescence patterns in selected genera of yellow-rayed Oklahoma composites. Swanews 1973 (1&2):10 (April). [pdf, 91 kb]
  2. Clark, Curtis. 1974. Correlations between the distribution of Lesquerella ovalifolia (Cruciferae) and geological formations in southern Oklahoma. Swanews 1974 (1&2):11 (April). [pdf, 87 kb]
  3. Clark, Curtis. 1975. Ecogeographic races of Lesquerella engelmannii (Cruciferae). Botanical Society of America, Abstracts.
  4. Clark, Curtis. 1978. Evolution of the desert species of Eschscholzia (Papaveraceae). Botanical Society of America, Misc. Ser., Publ. 156. [pdf, 162 kb]
  5. Jernstedt, J.A., and Curtis Clark. 1978. Stomata on the seed coats of Eschscholzia (Papaveraceae). Botanical Society of America, Misc. Ser., Publ. 156. [pdf, 131 kb]
  6. Clark, Curtis, and D.W. Kyhos. 1979. Origin of species by hybridization in Encelia (Compositae: Heliantheae). Botanical Society of America, Misc. Ser., Publ. 157. [pdf, 204 kb]
  7. Clark, Curtis. 1980. Eschscholzia (Papaveraceae): An evolutionary conspectus. Pacific Division AAAS, 61st Annual Meeting, Abstracts.
  8. 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. [pdf, 199 kb]
  9. 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. [pdf, 131 kb]
  10. Clark, Curtis. 1982. Applications of block clustering in ecology and systematics. Pacific Division AAAS, 63rd Annual Meeting, Abstracts.
  11. Clark, Curtis. 1982. Hybridization in Encelia (Compositae: Heliantheae) and its effect on phylogenetic analysis. Botanical Society of America, Misc. Ser., Publ. 162. [pdf, 210 kb]
  12. Clark, Curtis. 1982. Relationships between experimental and phylogenetic systematics: An overview. Botanical Society of America, Misc. Ser., Publ. 162. [pdf, 210 kb]
  13. Clark, Curtis. 1983. Systematics and biogeography of the Encelia frutescens alliance (Asteraceae: Heliantheae). Amer. J. Bot. 70(5), Part 2, p. 109. [pdf, 206 kb]
  14. Clark, Curtis. 1983. Herbarium label-writing on a main-frame computer. Amer. J. Bot. 70(5), Part 2, p. 102. [pdf, 199 kb]
  15. Clark, Curtis. 1984. Selection against hybrid recombinants as an isolating mechanism: the syngameon reassessed. Amer. J. Bot. 71(5), Part 2, p. 161. [pdf, 197 kb]
  16. 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. [pdf, 184 kb]
  17. 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. [pdf, 164 kb]
  18. 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. [pdf, 211 kb]
  19. Clark, Curtis. 1986. The phylogeny of Encelia (Asteraceae: Heliantheae). Amer. J. Bot. 73:757. [pdf, 179 kb]
  20. Clark, Curtis. 1988. A phylogenetic view of climatic tolerance in the Encelia alliance (Asteraceae: Heliantheae). Amer. J. Bot. 75(6), Part 2, p. 165.
  21. 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.
  22. Clark, Curtis, and Mark Faull. 1989. Reevaluation of the Eschscholzia minutiflora autopolyploid complex (Papaveraceae). Amer. J. Bot. 76(6), Supplement, p. 232.
  23. 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.
  24. 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.
  25. Clark, Curtis. 1996. Hybrid speciation with external barriers: Encelia (Asteraceae: Heliantheae), a case study. Amer. J. Bot. 83(6), Supplement, p. [not presented]
  26. 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.
  27. 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.
  28. Tulig, Melissa C., and Curtis Clark. 2000. Morphological Variation in Mimulus section Diplacus (Scrophulariaceae). Amer. J. Bot. 87(6), Supplement, p. 182.