討論:Urena
山羊百科，林文智老師的植物、山岳、攝影紀錄
- Urena efloraofindia https://sites.google.com/site/efloraofindia/species/m---z/m/malvaceae/urena
- Urena in Flora of North America @ efloras.org http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=134202
- Sm., Cycl. 37: no. 11 1818.；https://www.biodiversitylibrary.org/item/119379#page/513/mode/1up
- Rees, Abraham, The cyclopædia; or, Universal dictionary of arts, sciences, and literature.
- Cav., Diss. 6: 336 T. 185 1787.；https://www.biodiversitylibrary.org/page/31163158#page/152/mode/1up
