The genus Cyperus of Renfrew County:
A comparative study

By Grant A. Bickel, 2020

Cyperus squarrosus Linnaeus, Awned flatsedge

Cyperus squarrosus is found on wet beaches.

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Whole plant, spikelets, achenes and scales of Cyperus squarrosus

Figure 1. Whole plant, spikelets, achenes and scales.
Cyperus squarrosus in nature

Figure 2. Habit.
Cyperus squarrosus in nature

Figure 3. Habit.
Cyperus squarrosus in nature

Figure 4. Habit closeup.
An occurrence map of Cyperus squarrosus in Renfrew County

Figure 5. Occurence map for Renfrew County and surrounding area.
Accession records for specimens from Renfrew County
Accession # Collector Date
DAO 760525 P.M. Catling & D. Cuddy 2000-August-25
DAO 585176 D.F. Brunton 1987-August-26
CAN 468018 S.J. Darbyshire 1981-August-01
CAN 468017 S.J. Darbyshire 1981-July-09
CAN 437352 H.L. Dickson & H. Simpson 1977-August-25
CAN 437367, CAN 531260 H. Simpson 1977-August-18
CAN 570134 M.I. Moore 1970-September-27
CAN 570135 M.I. Moore 1968-September-03
CAN 570136 T.C. Brayshaw 1961-September-15
DAO 246150 M.I. Moore 1961-August-31
DAO 13843 J.A. Calder 1952-August-06