Plants of USA and Canada

Scientific or common name:

Cyperus retrofractus (L.) Torr.


CYPERACEAE Family selection - Sedge family (Angiosperms - Flowering plants)

Taxon Page:

Name: Cyperus retrofractus (L.) Torr. Taxon selection
Nomencl. ref.: Fl. New York 2: 344. 1843
Rank: species

pictures Images of Cyperus retrofractus


Common names

US name U.S. name: Rough flatsedge

Grown habit: Graminoid
Duration: Perennial
 

Synonyms:
= Cyperus dipsaciformis Fernald
= Cyperus retrofractus (L.) Torr. var. dipsaciformis (Fernald) Kük.
= Scirpus retrofractus L.


Subspecies / Varieties:
1) Cyperus retrofractus (L.) Torr. var. dipsaciformis (Fernald) Kük.
2) Cyperus retrofractus (L.) Torr. var. hystricinus (Fernald) Kük.



TAXONOMY

Kingdom: Plantae
Subkingdom: Tracheobionta
Superdivision: Spermatophyta
Division: Magnoliophyta
Class: Liliopsida
Subclass: Commelinidae
Order: Cyperales
Family: Cyperaceae
Genus: Cyperus
Species:


Page counter: 250 ( AVG: 224.08 / 293.729 )



Gallery:

Cyperus retrofractus
Cyperus retrofractus
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 307.


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Links:
- The New Plantfinder - Images and local names of vascular plants - Project Dryades / KeyToNature, coordinated by the Department of Life Sciences, University of Trieste
- Lichens - Interactive identification keys to the lichens
- Acta Plantarum - Forum and Image Gallery (Plants, Animals, Mushrooms)




Distribution in USA and Canada (*)
USA (AL, AR, DC, DE, FL, GA, IN, KY, LA, MD, MO, MS, NC, NJ, OH, OK, PA, SC, TN, TX, VA)

Distributional map for Cyperus retrofractus (L.) Torr.
Map for Cyperus retrofractus (L.) Torr.
(*) USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 28 August 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA



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More species:
1) Cyperus retrorsus Chapm. var. cylindricus (Elliot) Fernald & Grisc. [193]
2) Cyperus retrorsus Chapm. var. retrorsus [319]
3) Cyperus rotundus L. [3707]
4) Cyperus serotinus Rottb. [600]
5) Cyperus squarrosus L. [1444]
6) Cyperus trachysanthos Hook. & Arn. [1408]
7) Cypripedium acaule Aiton [386]
8) Cypripedium parviflorum Salisb. var. makasin (Farw.) Sheviak [309]
9) Cyrtandra x nutans H. St. John (pro sp.) [194]
10) Cytisus multiflorus (L'Hér.) Sweet [319]

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