The genus Scirpus of Renfrew County:
A comparative study

By Grant A. Bickel, 2020

Scirpus pedicellatus Fernald, Stalked bulrush

Scirpus pedicellatus is sparse in Renfrew County. It is separated from the other Scirpus cyperinus complex species with its spikelets pedicelled usually singly, scales light brown, fruiting late July through August and leaf width > 5 mm.

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Spikelets, achenes and scales of Scirpus pedicellatus

Figure 1. Spikelets, achenes and scales.
Inflorescence of Scirpus pedicellatus

Figure 2. Inflorescence in habitat.
Inflorescence of Scirpus pedicellatus

Figure 3. Inflorescence.
Inflorescence of Scirpus pedicellatus

Figure 4. Inflorescence in habitat.
An occurrence map of Scirpus pedicellatus in Renfrew County

Figure 5. Occurence map for Renfrew County and surrounding area.
Accession records for specimens from Renfrew County
Accession # Collector Date
CAN 551708 A. Vogg 1988-August-07
DAO 585248 D.F. Brunton 1987-August-26
DAO 585242 D.F. Brunton 1987-August-26
CAN 497217 A. Vogg 1983-August-20
CAN 497029 A. Vogg & K. MacDonald 1983-July-17
DAO 250828 W.J. Cody & J.A. Parmelee 1952-August-19