Carex flava L., Yellow Sedge (Section CERATOCYSTIS)
Carex flava is an uncommon wetland sedge occupying the southern portion of Renfrew County. It is superficially very similar to Carex cryptolepis but Carex flava prefers calcareous soils, has scales that are dark, contrasting wih the perigynia, and has scabrous perigynia beaks.
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Figure 1. Achenes, perigynia and scales.
Figure 2. Inflorescence at high resolution.
Figure 3. B&W scan of specimen showing habit.
Figure 4. Closeup of inflorescence in nature.
Figure 5. Inflorescences.
Figure 6. Occurence map for Renfrew County and surrounding area.
| Accession # | Collector | Date |
|---|---|---|
| DAO 573852 | K.W. Spicer | 1988-June-15 |
| DAO 573868 | K.W. Spicer | 1988-June-15 |
| DAO 573993 | K.W. Spicer | 1988-June-15 |
| CAN 527002 | A. Vogg | 1986-July-20 |
| CAN 497075 | A. Vogg & H. Vogg | 1983-July-24 |
| CAN 496908 | A. Vogg | 1982-July-17 |
| CAN 498570 | A. Vogg | 1982-July-04 |
| CAN 498539 | A. Vogg & H. Vogg | 1982-June-27 |
| DAO 277969 | J.M. Gillett & L.J. Van Rens | 1959-June-03 |