Calamagrostis coarctata

Classification	Monocots
Family	Poaceae
Family (Traditional)	Poaceae
Genus	Calamagrostis
Species:	Calamagrostis coarctata (Torr.) Eaton
Common Name	Nuttalls Reedgrass
Growth Habit	graminoid
Plant Notes	**
Characteristics	Armaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: graminoid; Region of Origin: North America; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: grass-like; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Fruit Dehiscence: No; Fruit Type: Caryopsis; Fruit Type: Grain; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: N/A; Perianth Present: No; Placentation Type: Parietal; Placentation Type: Basal; Sporangium Arrangement: N/A
C value	6
Status	Native; AGCP (OBL), EMP (OBL) (NWPL); TN[SNR] KY[SNA] (State Rank); G5 (Global Rank)
Specimen(s)	View and Download Specimen Details »

** Not applicable or data not available.

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Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

State Boundaries
Counties
Counties - Species Present

Ecoregions

Southeastern Plains
- Blackland Prarie
Blue Ridge Mountains
Ridge and Valley
Cumberland Plateau
Cumberland Mountains
Allegheny Plateau

Interior Plateau
- Bluegrass Region
- Nashville Basin
- Pennyroyal Karst Plain
- Western Highland Rim
- Eastern Highland Rim

Interior River Valleys and Hills
- Shawnee / Caseyville Hills
Mississippi Alluvial Plain
Mississippi Valley Loess Plains
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Synonyms

Synonym	Full Citation
Calamagrostis nuttalliana	Calamagrostis nuttalliana

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: McCreary (KY), Pulaski (KY), Bledsoe (TN), Campbell (TN), Coffee (TN), Cumberland (TN), Franklin (TN), Grundy (TN), Moore (TN), Putnam (TN)

Herbaria represented by specimen data listed below: APSC, BOON, TENN

Range of years during which specimens were collected: 1984 - 2017

Accession No. (click for full details)	County	State	Coll. Date	Collector & Collection No.	Herbarium & Herbarium Name Used
TENN-V-0028939	Bledsoe	Tennessee			TENN Calamagrostis coarctata
TENN-V-0028943	Campbell	Tennessee			TENN Calamagrostis coarctata
TENN-V-0028948	Cumberland	Tennessee			TENN Calamagrostis coarctata
TENN-V-0028938	Bledsoe	Tennessee			TENN Calamagrostis coarctata
008730	Bledsoe	Tennessee			BOON Calamagrostis coarctata
APSC0068503	Coffee	Tennessee			APSC Calamagrostis coarctata
APSC0099504	Putnam	Tennessee			APSC Calamagrostis coarctata
APSC0034344	Cumberland	Tennessee			APSC Calamagrostis coarctata
APSC0113313	Franklin	Tennessee			APSC Calamagrostis coarctata
APSC0034343	Campbell	Tennessee			APSC Calamagrostis coarctata
APSC0073923	Coffee	Tennessee	06 Oct 2017	Claire Ciafre	APSC Calamagrostis coarctata
APSC0116789	Putnam	Tennessee			APSC Calamagrostis coarctata
APSC0073860	Pulaski	Kentucky	20 Sep 1993	Max Medley	APSC Calamagrostis coarctata
APSC0083953	McCreary	Kentucky	05 Sep 1984	Max Medley	APSC Calamagrostis coarctata
APSC0096932	McCreary	Kentucky	20 Aug 1987	Max Medley	APSC Calamagrostis coarctata
APSC0073932	Grundy	Tennessee			APSC Calamagrostis coarctata
APSC0110998	Moore	Tennessee			APSC Calamagrostis coarctata
APSC0073933	Grundy	Tennessee			APSC Calamagrostis coarctata
APSC0104898	Putnam	Tennessee			APSC Calamagrostis coarctata
APSC0110183	McCreary	Kentucky			APSC Calamagrostis coarctata
APSC0113314	Franklin	Tennessee			APSC Calamagrostis coarctata
APSC0048371	Coffee	Tennessee			APSC Calamagrostis coarctata
APSC0080458	Coffee	Tennessee	02 Sep 1984	Max Medley	APSC Calamagrostis coarctata

View a List of All Ecological Communities

Calamagrostis coarctata

Related Links

Species Distribution Map

Ecoregions

Synonyms

Specimens and Distribution

Plant Photos