Cynanchum Itremense --... earthpedia.earth.com

Cynanchum - Wikipedia en.wikipedia.org

Cynanchum L. | Plants of... powo.science.kew.org

Taxonomy Apocynaceae -... observation.org

Cynanchum L. | Plants of... powo.science.kew.org

Swallowwort (Genus... guatemala.inaturalist.org

Cynanchum L. | Plants of... powo.science.kew.org

Cynanchum L. | Plants of... powo.science.kew.org

Cynanchum L. | Plants of... powo.science.kew.org

Taxonomy Apocynaceae -... observation.org

Cynanchum L. | Plants of... powo.science.kew.org

Swallowwort (Genus... guatemala.inaturalist.org

鹅绒藤属- 维基百科，自由的百科全书 zh.wikipedia.org

Swallowwort (Genus... guatemala.inaturalist.org

Swallowwort (Genus... guatemala.inaturalist.org

World Plants: Plant List www.worldplants.de

Swallowwort (Genus... inaturalist.nz

Lastavina – Wikipedija hr.wikipedia.org

Swallowwort (Genus... inaturalist.nz

World Plants: Plant List www.worldplants.de