[Specimen details]

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (74027) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (74027) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144
Locality USA. Florida, Citrus Co.: C-39, 1 mi. W of FL 200.
Habitat Edge of shallow pond.
Reproductive State Fertile
Specimen Notes
Collector N. L. Mawhinney 110
Collection Date 27 Apr 1983
Accession Number 172263
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (74027) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (74027) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144
Locality USA. Florida, Hernando Co.: E and W of Rital-Croom Road, 0.8 mi. N of FL 50. 28° 31' 0" N 82° 13' 0" W
Description Abundant; flowers white.
Habitat Pond.
Reproductive State Fertile
Specimen Notes
Collector J. Beckner 2591
Collection Date 25 May 1983
Accession Number 171668
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (74027) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144
Locality USA. Florida, Marion Co.: Dunnellon. 29° 2' 57" N 82° 27' 39" W
Habitat Margin of pond.
Reproductive State Fertile
Specimen Notes
Collector A. H. Curtiss 6658
Collection Date 11 Jun 1900
Accession Number 209667
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (74027) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144 - Determined By: 69656, 1978
Echinodorus tenellus (74027) 3899 var. parvulus (8144) 15976
Locality USA. Florida, Polk Co.: Ca. 3 mi. SW of Highland City; vicinity of Atlantic Coastline Railroad, E of Lakeland-Highlands road. T29S, R24E, Sec. 28. 28° 2' 22" N 81° 56' 59" W
Habitat Disturbed white sand Pinus clausa scrub; spoils slope along drainage canal; open Pinus clausa, mature trees lacking; with Salix caroliniana, Myrica, Quercus geminata, Q. chapmanii, Lyonia lucida, Lyonia ferruginea, etc.
Reproductive State Fertile
Specimen Notes
Collector J. D. Ray, Jr. 10700
with G.M. Riegler
Collection Date 14 Apr 1961
Accession Number 40723
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (74027) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144 - Determined By: 69656, 1978
Echinodorus tenellus (74027) 3899
Locality USA. Florida, Leon Co.: 3 mi. W of Tallahassee. 30° 26' 18" N 84° 16' 51" W
Habitat Peaty - sandy depression between scrub oak sand ridges.
Reproductive State Fertile
Specimen Notes
Collector R. K. Godfrey 57984
Collection Date 29 Nov 1958
Accession Number 8380
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (74027) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144 - Determined By: 69656, 1978
Echinodorus tenellus (74027) 3899
Locality USA. Florida, Jackson Co.: Near Lake Seminole, N of Sneads. 30° 42' 28" N 84° 55' 28" W
Habitat Peat, margins of very small gum pool.
Reproductive State Fertile
Specimen Notes
Collector R. K. Godfrey 57876
Collection Date 28 Oct 1958
Accession Number 8335
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 21877, Apr 2001
Echinodorus parvulus 8144
Locality USA. Florida, Jackson Co.: Ca. 2 mi. NE of Bascom Lookout Tower, ca. 3.4 mi. ENE of junction C-165 and C-165A near Bascom. T6N, R8W, Sec. 7, N½ of NE¼. 30° 56' 21" N 85° 3' 50" W
Habitat Sandy limesink depression pond. Soils - Plummer (Grossarenic Paleaquults).
Reproductive State Fertile
Elevation 105 to 110 ft
Specimen Notes
Collector S. L. Orzell 20349
with E.L. Bridges
Collection Date 01 Aug 1992
Accession Number 228069
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (74027) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144 - Determined By: 69656, 1978
Echinodorus tenellus (74027) 3899
Locality USA. Florida, Hillsborough Co.: University of South Florida, Tampa. 27° 56' 51" N 82° 27' 30" W
Description Shoots creeping; pedicels mostly erect; petals white; achenes faintly striped, green becoming brownish.
Habitat Mud near lake.
Reproductive State Fertile
Specimen Notes
Collector G. R. Cooley 5623
with J. Monachino
Collection Date 15 Mar 1958
Accession Number 391
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (74027) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144
Locality USA. Florida, Walton Co.: E of C-138, ca. 3 mi. N of intersection US 90; ca. 3.7 mi. S of Pleasant Grove. T3N, R18W, Sec. 8, NE¼ of NW¼ of SW¼. 30° 46' 11" N 86° 4' 4" W
Description Common.
Habitat Exposed peaty sand near center sinkhole pond. Soils - Cowarts (Typic Hapludults).
Reproductive State Fertile
Elevation 160 to 170 ft
Specimen Notes
Collector S. L. Orzell 14749
with E.L. Bridges
Collection Date 18 Aug 1990
Accession Number 210784
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (74027) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144 - Determined By: 69656, 1978
Echinodorus tenellus (74027) 3899
Locality USA. Florida, Hillsborough Co.: Buchen, N shore of University of South Florida Campus pond, Tampa. 27° 56' 51" N 82° 27' 30" W
Habitat Moist soil, pond terrace with species of Cyperus.
Reproductive State Fertile
Specimen Notes
Collector O. K. Lakela 31966
Collection Date 14 Dec 1969
Accession Number 88669
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (74027) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144 - Determined By: 69656, 1978
Echinodorus tenellus (74027) 3899 var. parvulus (8144) 15976 - Determined By: 31133
Echinodorus parvulus 8144
Locality USA. Florida, Hernando Co.: 5 mi. NW of Brooksville. 28° 33' 19" N 82° 23' 16" W
Habitat Moist sand of railroad ditch forming solid stands.
Reproductive State Fertile
Specimen Notes
Collector R. Kral 6734
with M. Kral
Collection Date 08 Jun 1958
Accession Number 8681
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (74027) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144 - Determined By: 69656, 1978
Echinodorus tenellus (74027) 3899 var. parvulus (8144) 15976
Locality USA. Florida, Hernando Co.: Ca. 5 mi. N of Weeki Wachee Springs.
Description Petals white; flowers perfect.
Habitat Dried pond in usually wet prairie of longleaf pine [Pinus palustris] - Serenoa repens flat with Typha, Eleocharis, Echinodorus, etc.
Reproductive State Fertile
Specimen Notes
Collector G. R. Cooley 8085
with C.E. Wood, Jr.
Collection Date 26 Apr 1961
Accession Number 44308
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (74027) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144
Locality USA. Florida, Pasco Co.: Central Florida Native Flora Nursery. T25S, R20E, Sec. 24. 28° 0' 0" N 82° 0' 0" W
Habitat Edge of shallow pond.
Reproductive State Fertile
Specimen Notes
Collector R. P. Wunderlin 10351
Collection Date 21 May 1986
Accession Number 189582
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (74027) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144 - Determined By: 69656, 1978
Echinodorus tenellus (74027) 3899 var. parvulus (8144) 15976
Locality USA. Florida, Hillsborough Co.: Upper shore of East Nursery Pond, University of South Florida campus, Tampa. 27° 56' 51" N 82° 27' 30" W
Habitat Mayaca mats.
Reproductive State Fertile
Specimen Notes
Collector O. K. Lakela 23649
Collection Date 04 Dec 1960
Accession Number 20761
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (74027) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (74027) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144
Locality USA. Florida, Leon Co.: W of FL 373 (Spring Hill Road), ca. 4.1 mi. SW of intersection FL 263 (Capital Circle SW) in SW Tallahassee, ca. 1.2 mi. NE of Spring Hill. T1S, R2W, Sec. 36, SW¼ of NE¼. 30° 21' 20" N 84° 22' 43" W
Habitat Moist sandy exposed shore of depression marsh lake. Soils - Rutlege (Typic Humaquepts).
Reproductive State Fertile
Elevation 35 ft
Specimen Notes
Collector S. L. Orzell 14856
with E.L. Bridges
Collection Date 27 Aug 1990
Accession Number 210783
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (36530) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (36530) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8145
Locality USA. Mississippi, Lamar Co.: About 3 mi. W of Purvis. T2N, R15W, Sec. 1.
Description Abundant.
Habitat At edge of lake.
Reproductive State
Specimen Notes
Collector K. E. Rogers 9223
Collection Date 29 Aug 1973
Accession Number 111404
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (36530) 3899 - Determined By: 22598, 2000
Echinodorus parvulus 8145 - Determined By: 23645, Sep 1993
Locality USA. South Carolina, Saluda Co.: Northern Saluda High Pond (Highland Pond), W of C-23, Hibernia.
Description Very local.
Habitat In disturbed wet sand, now dry; causeway; N end of pond.
Reproductive State
Elevation 640 ft
Specimen Notes
Collector S. R. Hill 25180
with B. Dorsey
Collection Date 10 Jul 1993
Accession Number 213482
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (36530) 3899 - Determined By: 21877, May 2001
Echinodorus parvulus 8145
Locality USA. Alabama, Houston Co.: Ca. 0.5 air mi. N of Florida State Line, ca. 1.7 air mi. E of Grangeburg; Indigo Pond. T7N, R10W, Sec. 13, NW¼ of NW¼ of SE¼. 31° 0' 29" N 85° 10' 57" W
Habitat Limesink depression pond in sandy live oak woods.
Reproductive State
Elevation 135 ft
Specimen Notes
Collector S. L. Orzell 20320
with E.L. Bridges
Collection Date 01 Aug 1992
Accession Number 229015
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (36530) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (36530) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8145
Locality USA. South Carolina, Aiken Co.: S side of US 78, 0.6 mi. NW of junction of C-55 to C-273 at White Pond.
Habitat Sink margin and shallow water of pool.
Reproductive State
Specimen Notes
Collector J. R. Massey 2938
with A.E. Radford, N.G. Miller, B. Ruska
Collection Date 11 Sep 1971
Accession Number 100876
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22-Oct-2017
Herbarium Name Used
Determination History
Echinodorus tenellus (36530) 3899 - Determined By: 22598, 2000
Echinodorus tenellus (36530) 3899 - Determined By: 21877, 1994
Echinodorus pavulus 8145
Locality USA. South Carolina, Aiken Co.: S side of US 78, 0.6 mi. NW of junction of C-55 to C-273 at White Pond.
Habitat Sink margin and shallow water of pool.
Reproductive State
Specimen Notes
Collector S. W. Leonard 4995
with J.R. Massey, A.E. Radford
Collection Date 23 Aug 1971
Accession Number 100874
Plant Atlas Link Plant Atlas Citation

Helanthium tenellum
Family Name Alismataceae
Currently Accepted Name Helanthium tenellum (76270) 56913 - Determined By: 75104, 22 Oct 2017
Herbarium Name Used
Determination History
Echinodorus tenellus (76270) 3899 - Determined By: 21877, 1994
Echinodorus parvulus 8144
Locality USA. Massachusetts, Middlesex Co.: Winchester. 42° 27' 8" N 71° 8' 13" W
Habitat Pond.
Reproductive State Fertile
Specimen Notes
Collector M. Rodman
Collection Date s.d.
Accession Number 7445
Plant Atlas Link Plant Atlas Citation