The genus Rhynchospora of Renfrew County:
A comparative study

By Grant A. Bickel, 2020

Rhynchospora capitellata (Michaux) Vahl, Small-headed beakrush

Rhynchospora capitellata is sparse in Renfrew County, found in bogs and poor fens in the northwestern portion of the county.

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Inflorescence, achenes and scales of Rhynchospora alba

Figure 1. Inflorescence, achenes and scales.
Inflorescence of Rhynchospora alba

Figure 2. Inflorescence.
Habit of Rhynchospora capitellata

Figure 3. A dense population of Rhynchospora capitellata growing with Eriophorum virginicum.
Habit of Rhynchospora capitellata

Figure 4. Same as Figure 2 at a wider angle showing base of plant.
An occurrence map of Rhynchospora capitellata in Renfrew County

Figure 5. Occurence map for Renfrew County and surrounding area.
Accession records for specimens from Renfrew County
Accession # Collector Date
DAO 172313 W.G. Dore 1949-August-03