356-357 Potamogeton nodosus Poir.
| First Collector | NA |
| Collection Date | NA |
| Country | USA |
| Province | Georgia |
| Latitude | NA |
| Longitude | NA |
| Altitude | 1200 |
| Habitat | Hydrophyte, 40- 100 cm, pond, montane |
Anatomical description of culm
Culm-diameter 2-5 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. Epidermis thin-, peripheral thicker-walled (lignified). Endodermis cell