<i>Potamogeton ×fluitans</i>
Moscow State University, V. Tihomirov, N. Novikov, N. Oktyabreva
CC BY 4.0
<a rel="nofollow" class="external free" href="https://plant.depo.msu.ru/open/public/item/MW0214388">https://plant.depo.msu.ru/open/public/item/MW0214388</a>