Ecology and Conservation of Purple Milkweed

References

1. 1. Brock T.D.,
   2. Brock K.M.

   2006. Oak savanna restoration: A case study. Pages 178–183 in Egan D., Harrington J.A. (eds), Proceedings of the 19th North American Prairie Conference. Madison: University of Wisconsin–Madison.
2. 1. Cochrane T.S.,
   2. Iltis H.H.

   2000. Atlas of the Wisconsin prairie and savanna flora. Wisconsin Department of Natural Resources Technical Bulletin 191.
3. 1. Farnsworth E.J.,
   2. DiGregorio M.J.

   2001. Asclepias purpurascens L., purple milkweed. Conservation and research plan. Framingham MA: New England Wild Flower Society.
4. 1. Gleason Henry A.

   1968. The New Britton and Brown Illustrated Flora of the Northwestern United States and Adjacent Canada, vol. 3. New York: Hafner Publishing.
5. 1. Robertson Charles

   . 1886. Notes on the mode of pollination of Asclepias. Botanical Gazette 11:262–269.

   OpenUrl
6. 1. Vande Water Natural Resource Services

   . 2003. Conservation assessment for purple milkweed (Asclepias purpurascens). Report prepared for U.S. Forest Service, Eastern Region, Threatened and Endangered Species Program.
7. 1. Wilbur H.M.

   1976. Life history evolution in seven milkweeds of the genus Asclepias. Journal of Ecology 64:223–240.

   OpenUrlCrossRefWeb of Science
8. 1. Wyatt R.

   1976. Pollination and fruit set in Asclepias: A reappraisal. American Journal of Botany 63:845–851.

   OpenUrlCrossRefWeb of Science
9. 1. Wyatt R.,
   2. Broyles S.B.

   1994. Ecology and evolution of reproduction in milkweeds. Annual Review of Ecology and Systematics 25:423–441.

   OpenUrlCrossRefWeb of Science