Lewis, Harlan; Epling, Carl (1940). "Three Species Pairs from Southern and Lower California". The American Midland Naturalist. 24 (3): 743–749. doi:10.2307/2420870. JSTOR2420870.
Epling, Carl; Lewis, Harlan (1942). "The Centers of Distribution of the Chaparral and Coastal Sage Associations". The American Midland Naturalist. 27 (2): 445–462. doi:10.2307/2421012. JSTOR2421012.
Lewis, Harlan; Went, F. W. (1945). "Plant Growth Under Controlled Conditions. IV. Response of California Annuals to Photoperiod and Temperature". American Journal of Botany. 32 (1): 1–12. doi:10.1002/j.1537-2197.1945.tb05080.x.
Lewis, Harlan (1946). "Polyploidy in the Californian Delphiniums". American Journal of Botany. 33 (10): 817–844. doi:10.1002/j.1537-2197.1946.tb12947.x.
Lewis, Harlan (1947). "Leaf Variation in Delphinium variegatum". Bulletin of the Torrey Botanical Club. 74 (1): 57–59. doi:10.2307/2481729. JSTOR2481729.
Ford, V. S.; Gottlieb, L. D. (2003). "Reassessment of Phylogenetic Relationships in Clarkia sect. Sympherica". American Journal of Botany. 90 (2): 284–292. doi:10.3732/ajb.90.2.284. PMID21659120. S2CID360048.
Lewis, Harlan; Roberts, Margaret R. (1956). "The Origin of Clarkia Lingulata". Evolution. 10 (2): 126–138. doi:10.2307/2405888. JSTOR2405888.
Lewis, Harlan; Raven, Peter (1958). "Clarkia franciscana, a new species from central California". Brittonia. 10 (1): 7–13. doi:10.2307/2804688. JSTOR2804688. S2CID19700807.
Lewis, Harlan (1959). "The Nature of Plant Species". Journal of the Arizona Academy of Science. 1 (1): 3–7. doi:10.2307/40025022. JSTOR40025022.
Lewis, Harlan (1961). "Experimental Sympatiric Populations of Clarkia". The American Naturalist. 95 (882): 155–168. doi:10.1086/282173. S2CID84065321.
Moore, D. M.; Lewis, Harlan (1965). "The Evolution of Self-Pollination in Clarkia xantiana". Evolution. 19 (1): 104–114. doi:10.2307/2406299. JSTOR2406299.
Wedberg, H. L.; Lewis, H.; Venkatesh, C. S. (1968). "Translocation Heterozygosity and Supernumerary Chromosomes in Wild Populations of Clarkia williamsonii". Evolution. 22 (1): 93–107. doi:10.2307/2406654. JSTOR2406654.
Lewis, Harlan (1969). "Evolutionary Processes in the Ecosystem". BioScience. 19 (3): 223–227. doi:10.2307/1294397. JSTOR1294397.
Small, E.; Bassett, I. J.; Crompton, C. W.; Lewis, H. (1971). "Pollen Phylogeny in Clarkia". Taxon. 20 (5/6): 739–746. doi:10.2307/1218599. JSTOR1218599.
Lewis, Harlan (1973). "The Origin of Diploid Neospecies in Clarkia". The American Naturalist. 107 (954): 161–170. doi:10.1086/282824. S2CID84716935.
Gottlieb, L. D.; Ford, V.S. (2003). "Reassessment of phylogenetic relationships in Clarkia sect. Sympherica". American Journal of Botany. 90 (2): 284–292. doi:10.3732/ajb.90.2.284. PMID21659120. S2CID360048.
Sytsma, K.J.; Gottlieb, L. D. (1986). "Chloroplast DNA evolution and phylogenetic relationships in Clarkia sect. Peripetasma (Onagraceae)". Evolution. 40 (6): 1248–1261. doi:10.2307/2408951. JSTOR2408951. PMID28563508.
Odrzykoski, I. J.; Gottlieb, L. D. (1984). "Duplication of genes coding 6-phosphogluconate dehydrogenase in Clarkia(Onagraceae) and their phylogenetic implications". Syst. Bot. 9 (4): 479–489. doi:10.2307/2418797. JSTOR2418797.
Kurabayashi, Masataka; Lewis, Harlan; Raven, Peter (1962). "A Comparative Study of Mitosis in the Onagraceae". American Journal of Botany. 49 (9): 1003–1026. doi:10.1002/j.1537-2197.1962.tb15040.x.
Epling, Carl (1955). "Harlanlewisia, a Recently Discovered Genus of Labiatae". American Journal of Botany. 42 (5): 436. doi:10.1002/j.1537-2197.1955.tb11143.x.
Lewis, Harlan; Raven, Peter H. (1958). "Rapid Evolution in Clarkia". Evolution. 12 (3): 319–336. doi:10.2307/2405854. JSTOR2405854.
Lewis, Harlan; Epling, Carl (1940). "Three Species Pairs from Southern and Lower California". The American Midland Naturalist. 24 (3): 743–749. doi:10.2307/2420870. JSTOR2420870.
Epling, Carl; Lewis, Harlan (1942). "The Centers of Distribution of the Chaparral and Coastal Sage Associations". The American Midland Naturalist. 27 (2): 445–462. doi:10.2307/2421012. JSTOR2421012.
Lewis, Harlan (1947). "Leaf Variation in Delphinium variegatum". Bulletin of the Torrey Botanical Club. 74 (1): 57–59. doi:10.2307/2481729. JSTOR2481729.
Lewis, Harlan; Roberts, Margaret R. (1956). "The Origin of Clarkia Lingulata". Evolution. 10 (2): 126–138. doi:10.2307/2405888. JSTOR2405888.
Lewis, Harlan; Raven, Peter (1958). "Clarkia franciscana, a new species from central California". Brittonia. 10 (1): 7–13. doi:10.2307/2804688. JSTOR2804688. S2CID19700807.
Lewis, Harlan (1959). "The Nature of Plant Species". Journal of the Arizona Academy of Science. 1 (1): 3–7. doi:10.2307/40025022. JSTOR40025022.
Moore, D. M.; Lewis, Harlan (1965). "The Evolution of Self-Pollination in Clarkia xantiana". Evolution. 19 (1): 104–114. doi:10.2307/2406299. JSTOR2406299.
Wedberg, H. L.; Lewis, H.; Venkatesh, C. S. (1968). "Translocation Heterozygosity and Supernumerary Chromosomes in Wild Populations of Clarkia williamsonii". Evolution. 22 (1): 93–107. doi:10.2307/2406654. JSTOR2406654.
Lewis, Harlan (1969). "Evolutionary Processes in the Ecosystem". BioScience. 19 (3): 223–227. doi:10.2307/1294397. JSTOR1294397.
Small, E.; Bassett, I. J.; Crompton, C. W.; Lewis, H. (1971). "Pollen Phylogeny in Clarkia". Taxon. 20 (5/6): 739–746. doi:10.2307/1218599. JSTOR1218599.
Sytsma, K.J.; Gottlieb, L. D. (1986). "Chloroplast DNA evolution and phylogenetic relationships in Clarkia sect. Peripetasma (Onagraceae)". Evolution. 40 (6): 1248–1261. doi:10.2307/2408951. JSTOR2408951. PMID28563508.
Odrzykoski, I. J.; Gottlieb, L. D. (1984). "Duplication of genes coding 6-phosphogluconate dehydrogenase in Clarkia(Onagraceae) and their phylogenetic implications". Syst. Bot. 9 (4): 479–489. doi:10.2307/2418797. JSTOR2418797.
Ford, V. S.; Gottlieb, L. D. (2003). "Reassessment of Phylogenetic Relationships in Clarkia sect. Sympherica". American Journal of Botany. 90 (2): 284–292. doi:10.3732/ajb.90.2.284. PMID21659120. S2CID360048.
Gottlieb, L. D.; Ford, V.S. (2003). "Reassessment of phylogenetic relationships in Clarkia sect. Sympherica". American Journal of Botany. 90 (2): 284–292. doi:10.3732/ajb.90.2.284. PMID21659120. S2CID360048.
Sytsma, K.J.; Gottlieb, L. D. (1986). "Chloroplast DNA evolution and phylogenetic relationships in Clarkia sect. Peripetasma (Onagraceae)". Evolution. 40 (6): 1248–1261. doi:10.2307/2408951. JSTOR2408951. PMID28563508.
Ford, V. S.; Gottlieb, L. D. (2003). "Reassessment of Phylogenetic Relationships in Clarkia sect. Sympherica". American Journal of Botany. 90 (2): 284–292. doi:10.3732/ajb.90.2.284. PMID21659120. S2CID360048.
Lewis, Harlan; Raven, Peter (1958). "Clarkia franciscana, a new species from central California". Brittonia. 10 (1): 7–13. doi:10.2307/2804688. JSTOR2804688. S2CID19700807.
Lewis, Harlan (1961). "Experimental Sympatiric Populations of Clarkia". The American Naturalist. 95 (882): 155–168. doi:10.1086/282173. S2CID84065321.
Lewis, Harlan (1973). "The Origin of Diploid Neospecies in Clarkia". The American Naturalist. 107 (954): 161–170. doi:10.1086/282824. S2CID84716935.
Gottlieb, L. D.; Ford, V.S. (2003). "Reassessment of phylogenetic relationships in Clarkia sect. Sympherica". American Journal of Botany. 90 (2): 284–292. doi:10.3732/ajb.90.2.284. PMID21659120. S2CID360048.