Myriophyllum. Material from living plants kept outdoors in aquaria.
M. sibiricum (left; S Vb) and M. verticillatum (right; S Ång).
Mature turions and detached turion leaves, early November
M. sibiricum (left) and M. verticillatum (right). Mature turions and detached turion leaves, early november

Photograph by Stefan Ericsson for Flora Nordica 6.