Myriophyllum pinnatum

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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:HALORAGACEAE
Species:Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenb.
Common Name:Cutleaf Water Milfoil; Alternate Leaf Water Milfoil
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:MYPI
Plant Notes:**
Taxonomic Notes:**
Status:Native, OBL (NWI)
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyHALORAGACEAE - Water-Milfoil family
Genus Myriophyllum
Species Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenb. - Cutleaf Water Milfoil; Alternate Leaf Water Milfoil

Citation

Citation Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg, Prelim. Cat. 19. 1888.
Basionym: Potamogeton pinnatum Walter 1788.
Type: USA: SOUTH CAROLINA: Without data, Walter Herb. 86-B (neotype: BM). Neotypified by S. G. Aiken, Brittonia 33: 66. 1981; D.B. Ward, J. Bot. Res. Inst. Texas 1: 418. 2007.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Myriophyllum nitschei Myriophyllum nitschei Moenkmeyer ex Graebner, Notizbl. Königl. Bot. Gart. Berlin 2: 276. 1899, nom. illegit.Myriophyllum scabratum Michaux 1803. 
Myriophyllum scabratum Myriophyllum scabratum Michaux, Fl. Bor.-Amer. 2: 190. 1803. "Carolina et Georgia", without data, Michaux s.n. (holotype: P).
Potamogeton pinnatum Potamogeton pinnatum Walter, Fl. Carol. 90. 1788. SOUTH CAROLINA: Without data, Walter Herb. 86-B (neotype: BM). Neotypified by S. G. Aiken, Brittonia 33: 66. 1981; D. B. Ward, J. Bot. Res. Inst. Texas 1: 418. 2007.

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: Calhoun, Cherokee, DeKalb, Elmore, Etowah, Houston, Jackson, Montgomery, Talladega

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1997 - 1997

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
JSU125469 Talladega 29 May 1994 Ballard, J. Mark
4069		 JSU
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg
JSU125461 Calhoun 30 Jul 1986 Lawler, Carol L.
879		 JSU
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg
TROY000039077 Elmore 23 Feb 2014 Diamond, Alvin R.
24800		 TROY
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg
TROY000020355 DeKalb 28 Jul 1981 Kral, Robert
67611		 TROY
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg
JSU125463 Cherokee 16 Sep 1982 Whetstone, R. David
12370		 JSU
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg
JSU125465 DeKalb 6 Nov 1983 Whetstone, R. David
13007		 JSU
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg
UNA00047406 Houston 21 Jul 1997 MacDonald, John R.
10874		 UNA
Myriophyllum pinnatum (Walt.) B.S.P.
UNA00066292 Montgomery 21 Jul 2006 Diamond, Alvin R.
16730		 UNA
Myriophyllum pinnatum (Walt.) B.S.P.
JSU125468 Jackson 19 Apr 1999 Brodeur, Kristin R.
1688		 JSU
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg
JSU125467 Jackson 26 May 1999 Brodeur, Kristin R.
1883		 JSU
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg
JSU125462 Calhoun 17 Aug 1986 Lawler, Carol L.
947		 JSU
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg
UWAL0015768 Elmore 23 Feb 2014 Diamond, Alvin R.
24800		 UWAL
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg
JSU125464 Cherokee 2 May 1986 Lawler, Carol L.
210		 JSU
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg
ALNHS00004320 Montgomery 09 Nov 2016 Taylor, Chris T.
SP#2678		 ALNHS
Myriophyllum pinnatum (Walt.) B.S.P.
TROY000020358 DeKalb 18 Nov 2004 Diamond, Alvin R.
14901		 TROY
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg
ALNHS00002373 Etowah 25 Sep 2013 Barger, T. Wayne
SP#1244		 ALNHS
Myriophyllum pinnatum (Walt.) B.S.P.
ALNHS00005296 Houston 24 OCT 2017 Barger, T. Wayne
SP#3457		 ALNHS
Myriophyllum pinnatum (Walt.) B.S.P.
TROY000020356 DeKalb 27 Jul 1977 Kral, Robert
60636		 TROY
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg
UNA00059004 Montgomery 02 Jun 2002 Diamond, Alvin R.
13253		 UNA
Myriophyllum pinnatum (Walt.) B.S.P.
JSU125466 Etowah 27 Aug 1994 Hodge, Lesley M.
3224		 JSU
Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenburg
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