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Stem almost all hollow, round or sometimes flattened, with joints. Single seed in each flowering scale. Leaf sheath is open at the back.
| Taxonomy of Vascular Plants- description and drawings | University of Minnesota Herbarium's Grass Key (new window) |
Stem solid and mostly triangular but some round or square, no joints. Single seed in each flowering scale. Leaf sheath is closed at the back.
| Taxonomy of Vascular Plants- description and drawings | University of Minnesota Herbarium's Sedge Key (new window) |
Stem solid and mostly round. Several seeds in each pouch. Regular flower made up of 3 outer and 3 inner scales and 1 pouch. No ligule. Leaf sheath is closed at the back.
| Taxonomy of Vascular Plants- description and drawings | Key to Wisconsin Species of Juncus (Rushes) |
