Refereed Publications

  1. Clark, Curtis. 1975. Ecogeographic races of Lesquerella engelmannii (Cruciferae): Distribution, chromosome numbers, and taxonomy. Brittonia 27:263-278. [pdf, 839 kb]
  2. Clark, Curtis. 1978. Pollen shed as tetrads by plants of Eschscholzia californica (Papaveraceae). Madroño 25:59-60. [pdf, 150 kb]
  3. Clark, Curtis. 1978. Systematic studies of Eschscholzia (Papaveraceae). I. The origin and affinities of E. mexicana. Syst. Bot. 3:374-385. [pdf, 708 kb]
  4. Clark, Curtis and Judith A. Jernstedt. 1978. Systematic studies of Eschscholzia (Papaveraceae). II. Seed coat microsculpturing. Syst. Bot. 3:386-402. [pdf, 1743 kb]
  5. Jernstedt, Judith A. and Curtis Clark. 1979. Stomata on the fruits and seeds of Eschscholzia (Papaveraceae). Amer. J. Bot. 66:586-590. [pdf, 615 kb]
  6. Clark, Curtis. 1979. Ultraviolet absorption by flowers of the Eschscholzioideae (Papaveraceae). Madroño 26:22-25. [pdf, 223 kb]
  7. Clark, Curtis and Donald W. Kyhos. 1980. Specific status for Encelia californica var. asperifolia (Compositae: Heliantheae). Madroño 27:48. [pdf, 68 kb]
  8. Clark, Curtis and Grady L. Webster. 1980. Noteworthy collections: Eschscholzia californica Chamisso ssp. mexicana (Greene) C. Clark (Papaveraceae). Madroño 27:180.
  9. 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. [pdf, 652 kb]
  10. Clark, Curtis, Nancy C. Clark, Donald L. Sanders, and Emilia Parra. 1984. Noteworthy collections: Androstephium breviflorum S. Wats. (Amaryllidaceae). Madroño 31:192. [pdf, 40 kb]
  11. Budzikiewicz, Herbert, Gabriela Laufenberg, Curtis Clark, and Peter Proksch. 1984. New benzofuran derivatives from Enceliopsis argophylla. Phytochemistry 23:2625-2627. [pdf, 357 kb]
  12. 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. [pdf, 130 kb]
  13. Clark, Curtis, Donald L. Sanders, and Nancy Charest. 1986. A field-oriented technique for producing high-quality preparations of plant surfaces for scanning electron microscopy. Taxon 35:295-297. [pdf, 145 kb]
  14. Clark, Curtis. 1986. Homoplastic-an appropriate choice. Syst. Zool. 35:142-143. [pdf, 150 kb]
  15. Clark, Curtis and Donald L. Sanders. 1986. Floral ultraviolet in the Encelia alliance (Asteraceae: Heliantheae). Madroño 33:130-135. [pdf, 279 kb]
  16. Clark, Curtis and Nancy Charest. 1986. Noteworthy collections: Sanguisorba minor Scop. subsp. muricata Briquet (Rosaceae). Madroño 33:231.
  17. Clark, Curtis. 1986. Eschscholzia lemmonii ssp. kernensis : a new combination for the Tejon poppy. Madroño 33:224-225. [pdf, 156 kb]
  18. Clark, Curtis and Daniel J. Curran. 1986. Outgroup analysis, homoplasy, and global parsimony: A response to Maddison, Donoghue, and Maddison. Syst. Zool. 35:150-154. [pdf, 268 kb]
  19. Proksch, Peter and Curtis Clark. 1987. Systematic implications of chromenes and benzofurans from Encelia (Asteraceae). Phytochemistry 26:171-174. [pdf, 465 kb]
  20. Sanders, Donald L. and Curtis Clark. 1987. Comparative morphology of the capitulum of Enceliopsis. Amer. J. Bot. 74:1072-1086. [pdf, 1017 kb]
  21. Clark, Curtis, Donald W. Kyhos, and Nancy Charest. 1988. A new Encelia (Asteraceae: Heliantheae) from Baja California. Madroño 35:10-15. [pdf, 245 kb]
  22. Proksch, Peter, Ursula Politt, Eckhard Wollenweber, Victor Wray, and Curtis Clark. 1988. Epicuticular flavonoids from Encelia. Planta Medica 1988:483-584. [pdf, 686 kb]
  23. Harrington, Daniel F., and Curtis Clark. 1989. Reduction in light reflectance of leaves of Encelia densifolia (Asteraceae) by trichome wetting. Madroño 36:180-186. [pdf, 273 kb]
  24. Clark, Curtis, and Mark Faull. 1991. A new subspecies and a new combination in Eschscholzia minutiflora (Papaveraceae). Madroño 38:73-79. [pdf, 293 kb]
  25. 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. [pdf, 1045 kb]
  26. Stiffler, Daniel F., Stephen H. Bryant, Curtis Clark, Michael L Keith, and David J. Moriarty. 1998. Assessment of quantitative learning in the biological sciences. CSU Fullerton Assessment Conference Proceedings.
  27. Ownbey, Gerald B., Jeffrey W. Brasher, and Curtis Clark. 1998. A new flora for Arizona in preparation: Papaveraceae. J. Arizona-Nevada Acad. Sci. 30(2):120-132. [pdf, 1001 kb]
  28. Killeen, Gerry F., Claire A. Madigan, Cathal R. Connolly, Gerard A. Walsh, Curtis Clark, Michael J. Hynes, Brendan F. Timmins, Paraic James, Denis R. Headon, and Ronan F. Power. 1998. Antimicrobial saponins of Yucca schidigera and the implications of their in vitro properies for their in vivo impact. J. Agric. Food Chem. 46:3178-3186. [pdf, 1151 kb]
  29. Clark, Curtis. 1998. Phylogeny and adaptation in the Encelia alliance (Asteraceae: Heliantheae). Aliso 17:89-98. [pdf, 819 kb]
  30. Clark, Curtis. 1998. New names and combinations in Encelia frutescens sensu lato (Asteraceae: Heliantheae). Aliso 17:201-202. [pdf, 143 kb]