The genus Eriophorum of Renfrew County:
A comparative study

By Grant A. Bickel, 2020

Eriophorum viridicarinatum (Engelmann) Fernald, Green-keeled cottongrass

Eriophorum viridicarinatum is sparse in Renfrew County, found in fens.

Click on images for full resolution in new window.

Achenes, perianth bristles and scales of Eriophorum viridicarinatum

Figure 1. Achenes, perianth bristles and scales.
Eriophorum viridicarinatum in fen

Figure 2. Inflorescence in open fen with tamarack.
Eriophorum viridicarinatum inflorescence

Figure 3. Inflorescence.
An occurrence map of Eriophorum viridicarinatum in Renfrew County

Figure 4. Occurence map for Renfrew County and surrounding area.
Accession records for specimens from Renfrew County
Accession # Collector Date
DAO 691624 J.M. Reddoch 1989-July-01
CAN 522118 J.M. Reddoch, A.H. Reddoch & M.I. Moore 1984-June-30
CAN 522119 J.M. Reddoch, A.H. Reddoch & M.I. Moore 1984-June-30
CAN 498549 A. Vogg 1982-June-26
CAN 466077 A. Vogg & E. Ridgen 1982-June-19
CAN 435441 J.M. Reddoch 1979-June-03