Myriophyllum heterophyllum

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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 heterophyllum Michx.
Common Name:Two Leaf Water Milfoil; Southern Water Milfoil
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:MYHE2
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 heterophyllum Michx. - Two Leaf Water Milfoil; Southern Water Milfoil

Citation

Citation Myriophyllum heterophyllum Michaux, Fl. Bor.-Amer. 2: 191. 1803.
Basionym: **
Type: USA: GEORGIA/NORTH CAROLINA:

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Potamogeton verticillatum Potamogeton verticillatum Walter, Fl. Carol. 90. 1788. SOUTH CAROLINA:

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: Autauga, Baldwin, Bibb, Bullock, Butler, Calhoun, Colbert, Covington, DeKalb, Escambia, Etowah, Greene, Henry, Houston, Jackson, Jefferson, Lauderdale, Lawrence, Lee, Limestone, Lowndes, Madison, Mobile, Montgomery, Russell, Sumter, Talladega

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1959 - 1993

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
SAMF0000863 Bibb 30 Jun 2005 Davenport, Lawrence J.
3266		 SAMF
Myriophyllum heterophyllum Michaux
TROY000032470 Escambia 27 Jun 2011 Diamond, Alvin R.
22282		 TROY
Myriophyllum heterophyllum Michaux
AUA_ACC_8185 Russell 29 Jun 1959 Pongsuwana, Umpol
 AUA
Myriophyllum Heterophyllum Michx.
ALNHS00004244 Limestone 09 Nov 2016 Barger, T. Wayne
SP#2666		 ALNHS
Myriophyllum heterophyllum Michx.
UNA00073942 Bullock 18 May 2018 Soehren, E.C.
547		 UNA
Myriophyllum heterophyllum Michx.
UWAL0002207 Butler 01 Apr 2010 Diamond, Alvin R.
21218		 UWAL
Myriophyllum heterophyllum Michx.
UWAL0053023 Covington 05 Apr 2021 Davenport, L.J.
6833		 UWAL
Myriophyllum heterophyllum Michaux
UNA00071987 Covington 5 Apr 2021 Davenport, L.J.
6833		 UNA
Myriophyllum heterophyllum Michx.
UNA00025764 Limestone 16 Aug 1993 Kuhajda, Bernard R.
93-144		 UNA
Myriophyllum heterophyllum Michx.
AUA_ACC_14017 Russell 24 Jun 1966 Daly, Jr., Robert
 AUA
Myriophyllum Heterophyllum Michx.
UWAL0047232 Lauderdale 06 Apr 2020 Webb, David H.
8870		 UWAL
Myriophyllum heterophyllum Michx.
UWAL0045961 Calhoun 23 May 2018 Spaulding, Daniel D.
15298		 UWAL
Myriophyllum heterophyllum Michx.
AUA_ACC_62776 Greene 29 May 1972 Kral, Robert
46846		 AUA
Myriophyllum Heterophyllum Michx.
SAMF0007365 Covington 05 Apr 2021 Davenport, L.J.
6833		 SAMF
Myriophyllum heterophyllum Michaux
UWAL0016389 Houston 19 Jun 2014 Diamond, Alvin R.
25228		 UWAL
Myriophyllum heterophyllum Michaux
UNA00018820 DeKalb 07 Jul 1978 Haynes, Robert R.
6593		 UNA
Myriophyllum heterophyllum Michx.
UWAL0049506 Colbert 01 May 2020 Webb, David H.
8907		 UWAL
Myriophyllum heterophyllum Michaex
SAMF0003083 Jefferson 28 Aug 1985 Davenport, Lawrence J.
2433		 SAMF
Myriophyllum heterophyllum Michaux
AUA_ACC_13783 Russell 25 Jun 1966 Bozarth, Gene A.
 AUA
Myriophyllum Heterophyllum Michx.
UWAL0045726 Mobile 13 May 1980 Dowling
944		 UWAL
Myriophyllum heterophyllum Michaux
TROY000032028 Butler 01 Apr 2010 Diamond, Alvin R.
21218		 TROY
Myriophyllum heterophyllum Michaux
UWAL0012368 Bullock 19 Jun 2012 Dykes, Bailee
903		 UWAL
Myriophyllum heterophyllum Michaux
UWAl0045998 Talladega 15 May 2018 Spaulding, Daniel D.
15249		 UWAL
Myriophyllum heterophyllum Michx.
TROY000040259 Autauga 03 Sep 2012 Keener, Brian R.
7481		 TROY
Myriophyllum heterophyllum Michaux
JSU125460 Etowah 31 Jul 1994 Hodge, Lesley M.
2932		 JSU
Myriophyllum heterophyllum Michaux
TROY000040675 Houston 19 Jun 2014 Diamond, Alvin R.
25228		 TROY
Myriophyllum heterophyllum Michaux
UWAL0008265 Escambia 27 Jun 2011 Diamond, Alvin R.
22282		 UWAL
Myriophyllum heterophyllum Michaux
UNA00018826 Limestone 03 Jun 1979 Wiersema, John H.
778		 UNA
Myriophyllum heterophyllum Michx.
UNA00018823 Houston 15 Jun 1979 Haynes, Robert R.
7263		 UNA
Myriophyllum heterophyllum Michx.
UWAL0045848 Calhoun 24 Mar 2018 Spaulding, Daniel D.
15151		 UWAL
Myriophyllum heterophyllum Michx.
UWAL0006101 Madison 07 Jun 1981 Kral, Robert
67336		 UWAL
Myriophyllum heterophylum Michx.
AUA_ACC_45710 Russell 1 May 1971 Donavan, Lois A.
225		 AUA
Myriophyllum Heterophyllum Michx.
UWAL0045727 Mobile 24 Apr 1980 Dowling
941		 UWAL
Myriophyllum heterophyllum Michaux
SAMF0001672 Jackson 26 May 1987 Davenport, Lawrence J.
2531		 SAMF
Myriophyllum heterophyllum Michaux
TROY000038561 Bullock 19 Jun 2012 Dykes, Bailee
903		 TROY
Myriophyllum heterophyllum Michaux
AUA_ACC_10228 Lee 3 Aug 1962 Swingle, W.E.
 AUA
Myriophyllum Heterophyllum Michx.
UNA00018815 DeKalb 14 May 1981 Horn, Charles N.
322		 UNA
Myriophyllum heterophyllum Michx.
UWAL0011974 Autauga 03 Sep 2012 Keener, Brian R.
7481		 UWAL
Myriophyllum heterophyllum Michaux
UNA00018825 Lowndes 18 Aug 1978 Wiersema, John H.
452		 UNA
Myriophyllum heterophyllum Michx.
UWAL0049881 Lawrence 24 Aug 2013 Webb, David H.
8080		 UWAL
Myriophyllum heterophyllum Michx.
ALNHS00007719 Greene 29 JUN 2022 Barger, T. Wayne
SP#5778		 ALNHS
Myriophyllum heterophyllum Michx.
UNA00018816 Henry 11 Jul 1978 Haynes, Robert R.
6650		 UNA
Myriophyllum heterophyllum Michx.
UNA00018821 Madison 14 Jun 1980 Meigs, Russell A.
841		 UNA
Myriophyllum heterophyllum Michx.
AUA_ACC_53933 Montgomery 29 May 1993 Diamond, Alvin R.
8650		 AUA
Myriophyllum Heterophyllum Michx.
UNA00018828 Russell 29 Jun 1959 Carothers, John L.
s.n.		 UNA
Myriophyllum heterophyllum Michx.
AUA000037441 Limestone 9 Nov 2016 Barger, T. Wayne
SP#2666		 AUA
Myriophyllum Heterophyllum Michx.
TROY000006200 Montgomery 21 Jul 2006 Diamond, Alvin R.
16730		 TROY
Myriophyllum heterophyllum Michaux
UNA00018817 Mobile s.d. Mohr, Charles
s.n.		 UNA
Myriophyllum heterophyllum Michx.
UWAL0006100 Lawrence 07 Jun 1981 Kral, Robert
6734_		 UWAL
Myriophyllum heterophylum Michx.
UNA00018814 Madison 01 Aug 1978 Haynes, Robert R.
6828		 UNA
Myriophyllum heterophyllum Michx.
UNA00018822 Russell 29 Jun 1959 Johnson, A.S.
64		 UNA
Myriophyllum heterophyllum Michx.
UWAL0006102 Sumter 17 Jul 1969 Cooper, Wade
6		 UWAL
Myriophyllum heterophylum Michx.
UNA00018824 DeKalb 15 May 1981 Horn, Charles N.
329		 UNA
Myriophyllum heterophyllum Michx.
UWAL0035327 Mobile 29 Apr 2016 Horne, Howard E.
3125		 UWAL
Myriophyllum heterophyllum Michaux
ALNHS00005986 Baldwin 14 Jun 2018 Barger, T. Wayne
SP#3888		 ALNHS
Myriophyllum heterophyllum Michx.
UWAL0046912 Lawrence 09 Apr 2020 Webb, David H.
8875		 UWAL
Myriophyllum heterophyllum Michx.
ALNHS00007720 Greene 29 JUN 2022 Barger, T. Wayne
SP#5778		 ALNHS
Myriophyllum heterophyllum Michx.
SAMF0003166 Jackson 08 Sep 2015 Davenport, Lawrence J.
5949		 SAMF
Myriophyllum heterophyllum Michaux
TROY000006196 Montgomery 02 Jun 2002 Diamond, Alvin R.
13253		 TROY
Myriophyllum heterophyllum Michaux
UNA00018827 Limestone 25 Jun 1980 Meigs, Russell A.
896		 UNA
Myriophyllum heterophyllum Michx.
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