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The Research Literature database was created and funded by the Florida Wildflower Foundation. Use the search features below to find scientific articles on native wildflowers that are commercially available or used in restoration projects.

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Genetic structure of Helianthus occidentalis (Asteraceae) in a preserve with fragmented habitat

Author(s): S. A. Fore and S. I. Guttman

Month: Jul
Year: 1999

Journal: American Journal of Botany
Volume: 86
Issue: 7
Pages: 988-995

Article Topic(s): Genetics
Research Setting(s): Prairie

Species Referenced: Asclepias verticillata (Whorled milkweed),


In a study of the genetic structure of Helianthus occidentalis ssp. occidentalis in Ohio and compared to Asclepias verticillata in the same patches. Allozyme analysis revealed that differentiation of H. occidentalis ssp. occidentalis was lower between regions than between patches within regions. Gene flow of A. verticillata appeared to be greater than H. occidentalis ssp. occidentalis.

Suggested Citation

S. A. Fore and S. I. Guttman. "Genetic structure of Helianthus occidentalis (Asteraceae) in a preserve with fragmented habitat." American Journal of Botany 86.7 (1999): 988-995.

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