348-349 Potamogeton crispus L.
| First Collector | NA |
| Collection Date | NA |
| Country | Switzerland |
| Province | Zurich |
| Latitude | NA |
| Longitude | NA |
| Altitude | 450 |
| Habitat | Analyzed specimen: Birmensdorf, Zürich, 450 m a.s.l. Switzerland |
Anatomical description of culm
Culm-diameter 1-2 mm, center full, radius of culm in relation to wall thickness 1:1. Outline circular with a smooth surface. Epidermis smooth. Epidermis cells thin-walled all around. Endodermis cells u-shaped, thick walled. Chlorenchyma present, continuo