The genus Carex of Renfrew County:
A comparative study

By Grant A. Bickel, 2020

Carex intumescens Rudge, Bladder Sedge (Section LUPULINAE)

Carex intumescens is common and widespread throughout Renfrew County. It is a species of wet woods.

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Achenes, perigynia and scales of Carex intumescens

Figure 1. Achenes, perigynia and scales.
Inflorescence of Carex intumescens

Figure 2. Inflorescence.
Habit of Carex intumescens

Figure 3. Habit.
An occurrence map of Carex intumescens in Renfrew County

Figure 4. Occurence map for Renfrew County and surrounding area.
Accession records for specimens from Renfrew County
Accession # Collector Date
CAN 551361 A. Vogg 1988-May-27
CAN 497249 A. Vogg 1983-August-20
CAN 496822 A. Vogg & R. Nicholas 1982-September-02
CAN 498567 A. Vogg 1982-July-04
CAN 465375 A. Vogg 1982-June-11
CAN 438167 H. Simpson 1976-June-07
CAN 317240 R. Beschel & R. Hainault 1966-July-20
CAN 569924 M.I. Moore & T.C. Brayshaw 1961-September-28
DAO 80673 M.I. Moore & T.C. Brayshaw 1961-September-27
DAO 371223 J.H. Soper 1961-July-17
CAN 569922 T.C. Brayshaw 1958-September-26
CAN 569923 A.W.H. Damman 1954-July-07
DAO 371228 A.J. Breitung 1948-July-17
CAN 569921 H.H. MacKay 1921-August
CAN 438199 H. Simpson