Asclepias im Germplasm Resources Information Network (GRIN), USDA, ARS, National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland.
biodiversitylibrary.org
Billie L. Turner: Taxonomy of Asclepias hirtella and A. longifolia (Apocynaceae). In: Phytologia. Band 91, Nr. 2, 2009, S. 308–311 online.
doi.org
David John Goyder: A Synopsis of Asclepias (Apocynaceae: Asclepiadoideae) in Tropical Africa. In: Kew Bulletin. Band 64, Nr. 3, 2009, S. 369–399. JSTOR:20649668doi:10.1007/s12225-009-9133-3
jstor.org
David John Goyder: A Synopsis of Asclepias (Apocynaceae: Asclepiadoideae) in Tropical Africa. In: Kew Bulletin. Band 64, Nr. 3, 2009, S. 369–399. JSTOR:20649668doi:10.1007/s12225-009-9133-3
kew.org
powo.science.kew.org
Rafaël Govaerts, 1995: World Checklist of Seed Plants 1 (1, 2): 1-483, 1-529. MIM, Deurne. In: Asclepias. In: POWO = Plants of the World Online von Board of Trustees of the Royal Botanic Gardens, Kew: Kew Science, abgerufen am 3. Januar 2020.
tropicos.org
Asclepias bei Tropicos.org. Missouri Botanical Garden, St. Louis