Spirillus friesii Potamogeton mucronatus Potamogeton mucronatus f. acutus Potamogeton mucronatus var. obtusior Potamogeton mucronatus var. major Potamogeton mucronatus var. angustifolius Potamogeton mucronatus f. obtusior Potamogeton mucronatus f. minor Potamogeton mucronatus f. latifolius Potamogeton pusillus subsp. friesii Potamogeton pusillus subsp. mucronatus Potamogeton pusillus var. mucronatus Potamogeton oederi Potamogeton mucronatus f. angustifolius Potamogeton mucronatus var. latifolius Potamogeton acutifolius Potamogeton major
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024