Genus Cladium P. Browne, Twig-rush
Cladium mariscoides is the only species representating the Cladium genus in Canada.
Cladium mariscoides (Muhl.) Torrey, Smooth twig-rush
Cladium mariscoides is common in Renfrew County, found in standing water along the shores of ponds and lakes. Its achenes are quite distinctive, looking like miniature acorns without caps.
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Figure 1. Achenes and scales.
Figure 2. Inflorescence.
Figure 3. Habit in natural setting.
Figure 4. Blooming inflorescence.
Figure 5. Mature inflorescence.
Figure 6. Habit in natural setting.
Figure 7. Occurence map for Renfrew County and surrounding area.
| Accession # | Collector | Date |
|---|---|---|
| CAN 585259 | D.F. Brunton | 1999-July-22 |
| CAN 585364 | D.F. Brunton | 1998-October-06 |
| CAN 526959 | A. Vogg | 1985-July-15 |
| CAN 526913 | A. Vogg | 1985-July-14 |
| CAN 522115 | J. Reddoch | 1983-October-02 |
| CAN 468811 | S.J. Darbyshire | 1982-August-21 |
| CAN 570123 | T.C. Brayshaw & M.I. Moore | 1966-July-17 |
| CAN 570124 | T.C. Brayshaw | 1962-October-21 |
| DAO 256190 | J.A. Calder & I. Kukkonen | 1959-September-24 |
| DAO 256172 | W.G. Dore | 1949-August-04 |
| DAO 256168 | W.G. Dore & A.J. Breitung | 1948-September-19 |
| DAO 256170 | W.G. Dore & A.J. Breitung | 1948-September-16 |
| DAO 256169 | A.J. Breitung | 1948-August-01 |
| CAN 570122, DAO 256171 | A.J. Breitung | 1948-July-27 |