New York Metropolitan Flora

Nomenclature

List of Asclepias Species

References to Asclepias

• Baskin, J. M.; Baskin, C. C. 1977. Germination of common milkweed (Asclepias syriaca L.) seeds. Bull. Torrey Bot. Club 104: 167-170.
• Beaton, L. L.; Dudley, S. A. 2004. Tolerance to salinity and manganese in three common roadside species. Int. J. Plant Sci. 165: 37-51. (Asclepias syriacus, Dipsacus sylvestris, Hesperis matronalis)
• Brock, T. D. 2009. Ecology and conservation of purple milkweed. Ecological Restoration 27: 269-277.
• Broyles, S. B. 2002. Hybrid bridges to gene flow: A case study in milkweeds (Asclepias). Evolution 56: 1943-1953.
• Broyles, S. B. 1998. Postglacial migration and the loss of allozyme variation in northern populations of Asclepias exaltata (Aslepiadaceae). Amer. J. Bot. 85: 1091-1097.
• Broyles, S. B. et.al. 1996. Pollination genetics of hybridization in sympatric populations of Asclepias exaltata and A. syriaca (Asclepiadaceae). Amer. J. Bot. 83: 1580-1584.
• Broyles, S. B.; Schnabel, A.; Wyatt, R. 1994. Evidence for long-distance pollen dispersal in milkweeds (Asclepias exaltata). Evolution 48: 1032-1040.
• Broyles, S. B.; Wyatt, R. 1993. The consequences of self-pollination in Asclepias exaltata, a self-incompatible milkweed. Amer. J. Bot. 80: 41-44.
• Broyles, S. B.; Wyatt, R. 1995. A reexamination of the pollen-donation hypothesis in an experimental population of Asclepias exaltata. Evolution 49: 89-99.
• Cody, W. J. 1982. A comparison of the northern limits of distribution of some vascular plant species found in southern Ontario. Naturaliste Canad. 109: 63-90.
• Fishbein, M. et.al. 2011. Phylogenetic relationships of Asclepias (Apocynaceae) inferred from non-coding chloroplast DNA sequences. Syst. Bot. 36: 1008-1023.
• Fishbein, M.; Venable, D. L. 1996. Diversity and temporal change in the effective pollinators of Asclepias tuberosa. Ecology 77: 1061-1073.
• Himes, S. L.; Wyatt, R. 2005. Costs and benefits of self-fertility in Asclepias exaltata (Apocynaceae). J. Torrey Bot. Soc. 132: 24-32.
• Ivey, C. T.; Lipow, S. R.; Wyatt, R. 1999. Mating systems and infertility of swamp milkweed (Asclepias incarnata ssp. incarnata and ssp. pulchra). Heredity 82: 25-35.
• Ivey, C. T.; Martinez, P.; Wyatt, R. 2003. Variation in pollinator effectiveness in swamp milkweed, Asclepias incarnata (Apocynaceae). Amer. J. Bot. 90: 214-225.
• Ivey, C. T.; Wyatt, R. 1999. Family outcrossing rates and neighborhood floral density in natural populations of swamp milkweed (Asclepias incarnata): potential statistical artifacts. Theor. Appl. Genet. 98: 1063-1071.
• Kapoor, B. M. et.al. 1987. Annotated list of the chromosome numbers of the vascular flora of northeastern America V. Naturaliste Canad. 114: 105-116.
• Kaspar, M. J.; McWilliams, E. L. 1982. Effects of temperature on the germination of selected wild flower seeds. Hortscience 17: 595-596.
• Kephart, S. R. 1981. Breeding systems in Asclepias incarnata L., A. syrica L., and A. verticillata L. Amer. J. Bot. 68: 226-232.
• Kephart, S. R.; Theiss, K. 2004. Pollinator-mediated isolation in sympatric milkweeds (Asclepias): Do floral morphology and insect behavior influence species boundaries? New Phyt. 161: 265-277.
• Lipow, S. R.; Broyles, S. B.; Wyatt, R. 1999. Population differences in self-fertility in the "self-incompatible" milkweed Asclepias exaltata (Asclepiadaceae). Amer. J. Bot. 86: 1114-1120.
• Lipow, S. R.; Wyatt, R. 2000. Towards an understanding of the mixed breeding system of swamp milkweed (Asclepias incarnata). J. Torrey Bot. Soc. 127: 193-199.
• Lipow, S. R.; Wyatt, R. 1999. Diallel crosses reveal patterns of variation in fruit-set, seed mass, and seed number in Asclepias incarnata. Heredity 83: 310-318.
• Lipow, S. R.; Wyatt, R. 2000. Single gene control of postzygotic self-incompatibility in poke milkweed, Asclepias exaltata L. Genetics 154: 893-907.
• Lovell, H. B. 1951. The mechanisms of pollination. II. Flowers with unusual pollinating mechanisms. Bees 5: 18-20, 23.
• Macior, L. W. 1965. Insect adaptation and behavior in Asclepias pollination. Bull. Torrey Bot. Club 92: 114-126.
• Morgan, M. T.; Schoen, D. J. 1997. Selection on reproductive characters: Floral morphology in Asclepias syriaca. Heredity 79: 433-441.
• Morse, D. H. 1994. The role of self-pollen in the female reproductive success of common milkweed (Asclepias syriaca: Asclepiadaceae). Amer. J. Bot. 81: 322-330.
• Morse, D. H. 1993. The twinning of follicles by common milkweed (Asclepias syriaca). Amer. Midl. Naturalist 130: 56-61.
• Ollerton, J.; Liede, S. 1997. Pollination systems in the Asclepiadaceae: a survey and preliminary analysis. Biol. J. Linn. Soc. 62: 593-604.
• Reifner, R. E.; Hill, S. R. 1983. Notes on infrequent and threatened plants of Maryland including new state records. Castanea 48: 117-37.
• Sage, T. L.; Williams, E. G. 1995. Structure, ultrastructure, and histochemistry of the pollen tube pathway in the milkweed Asclepias exaltata L. Sexual Pl. Reprod. 8: 257-265.
• Shore, J. S. 1993. Pollination genetics of the common milkweed, (Asclepias syriaca) L. Heredity 70: 101-108.
• Southwick, E. E. et.al. 1981. Nectar production composition energetics and pollinator attractiveness in spring flowers of western New York USA. Amer. J. Bot. 68: 994-1002.
• Theiss, K. et.al. 2007. Pollinator effectiveness on co-occurring milkweeds (Asclepias: Apocynaceae, Asclepiadoideae). Ann. Missouri Bot. Gard. 94: 505-516.
• Willson, M. F.; Bertin, R. I. 1979. Flower-visitors, nectar production, and inflorescence size of Asclepias syriaca. Canad. J. Bot. 57: 1380-1388.
• Willson, M. F.; Rathcke, B. J. 1974. Adaptive design of the floral display in Asclepias syriaca L. Amer. Midl. Naturalist 92: 47-57.
• Wilson, M. F.; Price, P. W. 1977. The evolution of inflorescence size in Asclepias (Asclepiadaceae). Evolution 31: 495-511.
• Woodson, R. E. 1954. The North American species of Asclepias L. Ann. Missouri Bot. Gard. 41: 1-211.
• Wyatt, R. 1996. More on the southward spread of common milkweed Asclepias syriaca L. Bull. Torrey Bot. Club 123: 68-69.
• Wyatt, R. 2007. A new explanation for the evolution of pollinia and loss of carpel fusion in Asclepias and the Apocynaceae s.l. Ann. Missouri Bot. Gard. 94: 474-484.
• Wyatt, R. et.al. 1993. Range extension southward in common milkweed, Asclepias syriaca L. Bull. Torrey Bot. Club 120: 177-179.
• Wyatt, R.; Broyles, S. B. 1994. Ecology and evolution of reproduction in milkweeds. Ann. Rev. Ecol. Syst. 25: 423-441.
• Wyatt, R.; Broyles, S. B. 1992. Hybridization in North American Asclepias: III. Isozyme evidence. Syst. Bot. 17: 640-648.
• Wyatt, R.; Broyles, S. B.; Lipow, S. R. 2000. Pollen-ovule ratios in milkweeds (Asclepiadaceae): an exception that probes the rule. Syst. Bot. 25: 171-180.