The genus Carex of Renfrew County:
A comparative study

By Grant A. Bickel, 2020

Carex sprengelii Dew. ex Spreng., Sprengel’s Sedge (Section HYMENOCHLAENAE)

Carex sprengelii is sparse in Renfrew County. It is a species of rich woodlands.

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Achenes, perigynia and scales of Carex sprengelii

Figure 1. Achenes, perigynia and scales.
Pistillate spike of Carex sprengelii

Figure 2. Pistillate spike.
Habit of Carex sprengelii

Figure 3. Habit in early spring.
Habit of Carex sprengelii

Figure 4. Habit.
Inflorescence of Carex sprengelii

Figure 5. Mature inflorescence.
An occurrence map of Carex sprengelii in Renfrew County

Figure 6. Occurence map for Renfrew County and surrounding area.
Accession records for specimens from Renfrew County
Accession # Collector Date
DAO 662810 K.W. Spicer 1989-June-07
CAN 570061 M.I. Moore & C. Larsson 1971-June-09
CAN 570060 W.J. Merilees & T.C. Brayshaw 1962-July-13
DAO 347533 J.M. Gillett & L.J. Van Rens 1959-June-03