Selected Herbarium Specimen Details (11) Download

Family Name:Pontederiaceae
Currently Accepted Name:Heteranthera dubia (Jacq.) MacMill. - Determined By: Charles N. Horn, 1990
Determination History: Heteranthera dubia (Jacq.) MacMill.
Locality:USA. North Carolina. Allegany Co.: New River, 1.6 mi. N of Amelia.
Habitat:Swamp.
Collector:A. E. Radford 44195
Date:01 Aug 1961
Accession No:77320
Image:77320.jpg

Family Name:Pontederiaceae
Currently Accepted Name:Heteranthera dubia (Jacq.) MacMill. - Determined By: Charles N. Horn, 1990
Determination History: Heteranthera dubia (Jacq.) MacMill.
Locality:USA. Arkansas. Izard Co.: White River, 1.5 mi. W of Croker. T14N, R8W, Sec. 16.
Description:Aquatic. 
Habitat:In edge of river.
Collector:R. D. Thomas 20515
  with R. Reid
Date:04 Aug 1970
Accession No:115516
Image:115516.jpg

Family Name:Pontederiaceae
Currently Accepted Name:Heteranthera dubia (Jacq.) MacMill. - Determined By: Charles N. Horn, 1990
Determination History: Heteranthera dubia (Jacq.) MacMill.
Locality:USA. Arkansas. Izard Co.: White River, 3 mi. NW of Croker.
Habitat:Edge of river.
Collector:R. D. Thomas 16316
  with Bio. 451
Date:05 Aug 1969
Accession No:89796
Image:89796.jpg

Family Name:Pontederiaceae
Currently Accepted Name:Heteranthera dubia (Jacq.) MacMill. - Determined By: Charles N. Horn, 1990
Determination History: Heteranthera dubia (Jacq.) MacMill. - Determined By: R. P. Wunderlin, 1978
Zosterella dubia (Jacq.) Small
Locality:USA. Texas. Cameron Co.: Olmito Lake.
Collector:J. K. Small s.n.
Date:26 May 1937
Accession No:18974
Image:18974.jpg

Family Name:Pontederiaceae
Currently Accepted Name:Heteranthera dubia (Jacq.) MacMill. - Determined By: S. R. Hill, 2005
Locality:USA. Illinois. Kendall Co.: W side of Big Rock Creek, E of Rock Creek Road and pastures, at the creek; N of Hennig Road, Plano. 41º 42’ 10” N 88º 30’ 26” W
Description:Local herb; flowers yellow, erect. 
Habitat:Margin and shallow water of creek at gravel shoals; merdium-gradient creek, clear water; Eragrostis hypnoides, Veronica comosa, Polygonum puncatum, Phalaris; in mud and shallow water.
Collector:S. R. Hill 36684
Date:01 Sep 2005
Accession No:267393
Image:267393.jpg

Family Name:Pontederiaceae
Currently Accepted Name:Heteranthera dubia (Jacq.) MacMill. - Determined By: Charles N. Horn, 1990
Locality:USA. District of Columbia. First Lock.
Collector:E. S. Steele 3199
Date:28 Jul 1897
Accession No:31955
Image:31955.jpg

Family Name:Pontederiaceae
Currently Accepted Name:Heteranthera dubia (Jacq.) MacMill. - Determined By: S. R. Hill, 2011
Locality:USA. Illinois. McHenry Co.: S margin of Nippersink Creek, S of US 12, dairy farm, Solon Mills, SSE of Richmond; coordinate datum: WGS84/NAD83; Richmond 7.5' quadrangle. T46N, R8E, Sec. 27 NE¼ SE¼. 42º 26’ 13” N 88º 17’ 3” E
Description:Locally common; aquatic and stranded forms, flowers yello, eret - only on stranded plants. 
Habitat:Mud flats along stream, S side, with Potamogeton; in shallow water.
Elevation:770 ft
Collector:S. R. Hill 38769
Date:21 Sep 2011
Accession No:268059
Image:268059.jpg

Family Name:Pontederiaceae
Currently Accepted Name:Heteranthera dubia (Jacq.) MacMill. - Determined By: Charles N. Horn, 1990
Locality:USA. New York. Tompkins Co.: Dryden Lake.
Collector:E. S. Ford 539
  with W.C. Muenscher
Date:04 Sep 1940
Accession No:36212
Image:36212.jpg

Family Name:Pontederiaceae
Currently Accepted Name:Heteranthera dubia (Jacq.) MacMill. - Determined By: Charles N. Horn, 1990
Locality:USA. New York. Tompkins Co.: Dryden Lake.
Collector:E. S. Ford 539
  with W.C. Muenscher
Date:04 Sep 1940
Accession No:11360
Image:11360.jpg

Family Name:Pontederiaceae
Currently Accepted Name:Heteranthera dubia (Jacq.) MacMill. - Determined By: Charles N. Horn, 1990
Locality:USA. New York. Tompkins Co.: Dryden Lake.
Description:Submersed. 
Collector:E. S. Ford 539
Date:04 Sep 1940
Accession No:35952
Image:35952.jpg

Family Name:Pontederiaceae
Currently Accepted Name:Heteranthera dubia (Jacq.) MacMill. - Determined By: Charles N. Horn, 1990
Locality:USA. Oklahoma. Mayes Co.: Spavinaw Creek below Lake Spavinaw Dam in state park picnic area. T22N, R21E, Sec. 15.
Description:Abundant; flowers bright yellow, 3 stamens, one pistill with dark stigma. 
Habitat:In small stagnant pool in gravel bars with Salix nigra, S. caroliniana, Platanus occidentalis; flood plain.
Collector:R. J. Tyrl 1034
  with S.C. Barber
Date:14 Sep 1975
Accession No:299184
Image:299184.jpg

New Search