Scirpus atrocinctus Fernald, Black-girdled bulrush
Scirpus atrocinctus is sparse, most frequent in the northwestern portion of Renfrew County. It is separated from the other Scirpus cyperinus complex species with its spikelets pedicelled singly or in pairs, scales blackish, fruiting late June though July and leaf width < 5 mm.
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Figure 1. Spikelets, achenes and scales.
Figure 2. Inflorescence in habitat.
Figure 3. Inflorescence in habitat.
Figure 4. Occurence map for Renfrew County and surrounding area.
| Accession # | Collector | Date |
|---|---|---|
| CAN 585357 | D.F. Brunton | 1999-June-24 |
| CAN 570245 | M.I. Moore | 1968-August-05 |
| CAN 570239 | M.I. Moore | 1968-August-05 |
| CAN 570244 | T.C. Brayshaw | 1961-July-14 |
| CAN 570243 | T.C. Brayshaw | 1957-July-15 |
| CAN 570242 | A.W.H. Damman | 1954-July-11 |