Glyceria septentrionalis

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Distribution Map: Based on vouchered plant specimens only. View county names by placing the mouse cursor over a particular county.

Species Distribution Map
Family:POACEAE
Species:Glyceria septentrionalis Hitchc.
Common Name:Floating Manna Grass; Eastern Manna Grass
Habitat:Shallow still water.
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:**
Plant Notes:Eastern Manna Grass is a native herbaceous perennial in the Grass family (Poaceae). It can be found at scattered locations across Alabama. Eastern Manna Grass grows in shallow still water of ponds and lakes, swamps and marshes, roadside ditches, and ox-bow lakes. It is a perennial from a rhizome. The culms are 3-6 feet in height, erect or decumbent and root at the lower nodes. The culms are green in color, round, hollow, and glabrous. Leaves are alternate, linear, entire, glabrous, and scabrous. The sheaths are glabrous and keeled. Flowers are produced in narrow, terminal panicles. The lateral branches of the panicle are erect or ascending. Spikelets are on short pedicels appressed along the lateral branches. Each spikelet has 8-16 florets. The fruit is a grain. Eastern Manna Grass seed are available from some wildlife seed companies. It is planted as a food for Wood Ducks (Aix sponsa).—A. Diamond
Taxonomic Notes:**
Status:Native, OBL (NWI), G5 (Global Rank)
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyPOACEAE - Grass family
Genus Glyceria
Species Glyceria septentrionalis Hitchc. - Floating Manna Grass; Eastern Manna Grass

Citation

Citation Glyceria septentrionalis Hitchcock, Rhodora 8(95): 211. 1906.
Basionym: **
Type: USA: NEW JERSEY: Hudson Co.: Guttenberg, 6 Jun 1895, Van Sickle s.n. (holotype: ?; isotype: US).

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Panicularia fluitans var. septrionalis Panicularia fluitans (Linnaeus) Kuntze, var. septrionalis (Hitchcock) Farwell, Rep. (Annual) Michigan Acad. Sci. 21: 353. 1920.Glyceria septentrionalis Hitchcock 1906. 
Panicularia septentrionalis Panicularia septentrionalis (Hitchcock) Bicknell, Bull. Torrey Bot. Club 35: 196. 1908.Glyceria septentrionalis Hitchcock 1906. 

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; choose a county or herbaria to filter the specimen data.

Counties included on distribution map: Colbert, Henry, Lawrence, Lee, Lowndes, Madison, Mobile

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: ALNHS, AUA, JSU, TROY, UNA, UWAL

Range of years during which specimens were collected: 1980 - 1980

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
JSU101773 Henry 02 May 1972 Kral, Robert
46197		 JSU
Glyceria septentrionalis Hitchcock
UNA00004213 Lawrence 06 May 1980 Wiersema, John H.
1754a		 UNA
Glyceria septentrionalis A.S. Hitchc.
AUA000017476 Lee 25 Apr 1970 Johnson, Jr., W.C.
 AUA
Glyceria Septentrionalis A. S. Hitchc.
ALNHS00006378 Lowndes 21 May 2019 Barger, T. Wayne
SP#4402		 ALNHS
Glyceria septentrionalis A.S. Hitche
UWAL0034576 Madison 19 May 1995 Kral, Robert
84664		 UWAL
Glyceria septentrionalis Hitchc.
UNA00050592 Mobile 7 May 1996 Anderson, Loran C.
16325		 UNA
Glyceria septentrionalis A.S. Hitchc.
UNA00004223 Madison 04 Jun 1980 Meigs, Russell A.
757		 UNA
Glyceria septentrionalis A.S. Hitchc.
UNA00004218 Colbert 06 May 1980 Wiersema, John H.
1731		 UNA
Glyceria septentrionalis A.S. Hitchc.
TROY000046374 Lowndes 05 Apr 2018 Diamond, Alvin R.
28159		 TROY
Glyceria septentrionalis Hitchcock
UWAL0039648 Lowndes 05 Apr 2018 Diamond, Alvin R.
28159		 UWAL
Glyceria septentrionalis Hitchcock
UNA00004228 Madison 28 May 1980 Meigs, Russell A.
667		 UNA
Glyceria septentrionalis A.S. Hitchc.
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