The genus Scirpus of Renfrew County:
A comparative study

By Grant A. Bickel, 2020

Scirpus microcarpus J. Presl & C. Presl, Red-tinged bulrush

Scirpus microcarpus is common in Renfrew County. It is easily recognized with its bright red leaf sheaths (Figure 5).

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Spikelets, achenes and scales of Scirpus microcarpus

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

Figure 2. Inflorescence.
Inflorescence of Scirpus microcarpus

Figure 3. Inflorescence.
Inflorescence of Scirpus microcarpus

Figure 4. Inflorescence.
Leaf sheaths of Scirpus microcarpus

Figure 5. Red leaf sheaths.
An occurrence map of Scirpus microcarpus in Renfrew County

Figure 6. Occurence map for Renfrew County and surrounding area.
Accession records for specimens from Renfrew County
Accession # Collector Date
DAO 526141 L. LeSage 1987-June-11
CAN 496840 A. Vogg 1982-July-23
CAN 570254 T.C. Brayshaw & G.E. Dean 1960-June-12
DAO 251217 H. Groh & H. Lloyd 1948-July-26