Carex trisperma Dew., Three-seeded Sedge (Section GLAREOSAE)
Carex trisperma is widespread in Renfrew County growing in cool wooded swamps in deep sphagnum moss. It differs from the others species of Section Glareosae by maturing later in the summer. Carex trisperma differs from C. billingsii by having more perigynia in the spikelets and flatter leaves.
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Figure 1. Achenes, perigynia and scales.
Figure 2. Inflorescence.
Figure 3. Occurence map for Renfrew County and surrounding area.
| Accession # | Collector | Date |
|---|---|---|
| CAN 551735 | A. Vogg, S. Thomson & H. Thomson | 1989-July-08 |
| CAN 498226 | A. Vogg | 1984-July-21 |
| CAN 498227 | A. Vogg | 1984-July-21 |
| CAN 498563 | A. Vogg | 1982-July-04 |
| CAN 438198 | H. Simpson | 1976-July-21 |
| CAN 438185 | H. Simpson | 1976-June-13 |
| DAO 823234 | M.I. Moore | 1965-July-26 |
| DAO 262999 | M.I. Moore | 1962-June-20 |
| CAN 570079 | T.C. Brayshaw | 1960-September-09 |
| DAO 263000 | A.J. Breitung | 1948-August-01 |
| CAN 570080 | C.C.H. | 1935-September-27 |