Echinodorus amazonicus Echinodorus amphibius Echinodorus bleherae Echinodorus gracilis Echinodorus grisebachii Echinodorus parviflorus Echinodorus grisebachii var. minor Echinodorus heikobleheri Echinodorus amazonicus var. parviflorus Echinodorus eglandulosus
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024