Potamogeton vaseyi - J.W. Robbins
Vasey's Pondweed
Other Common Names: Vasey's pondweed
Taxonomic Status: Accepted
Related ITIS Name(s): Potamogeton vaseyi J.W. Robbins (TSN 39054)
French Common Names: potamot de Vasey
Unique Identifier: ELEMENT_GLOBAL.2.144223
Element Code: PMPOT03150
Informal Taxonomy: Plants, Vascular - Flowering Plants - Pondweed Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Monocotyledoneae Najadales Potamogetonaceae Potamogeton
Check this box to expand all report sections:
Concept Reference
Help
Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Potamogeton vaseyi
Conservation Status
Help

NatureServe Status

Global Status: G4
Global Status Last Reviewed: 31Aug1988
Global Status Last Changed: 31Aug1988
Rounded Global Status: G4 - Apparently Secure
Nation: United States
National Status: NNR
Nation: Canada
National Status: N4 (17Nov2017)

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States Connecticut (S1), Illinois (SX), Indiana (S1), Iowa (S1), Maine (S2), Massachusetts (S1), Michigan (S1S2), Minnesota (S3), New Hampshire (S1), New Jersey (SH.1), New York (S5), Ohio (SH), Pennsylvania (S1), Vermont (S2), Wisconsin (S3)
Canada New Brunswick (S2), Ontario (S4), Prince Edward Island (S1), Quebec (S2)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Ontario, Nfld., Que., New Brunswick. CT, MA, MI, NY, OH, PA, VT, IA, IL, IN, ME, MN, NH, NJ, VA, WI.

Other NatureServe Conservation Status Information

Distribution
Help
Global Range: Ontario, Nfld., Que., New Brunswick. CT, MA, MI, NY, OH, PA, VT, IA, IL, IN, ME, MN, NH, NJ, VA, WI.

U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States CT, IA, ILextirpated, IN, MA, ME, MI, MN, NH, NJ, NY, OH, PA, VT, WI
Canada NB, ON, PE, QC

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
CT Litchfield (09005), Middlesex (09007), New Haven (09009), New London (09011), Tolland (09013), Windham (09015)
IA Linn (19113)*, Louisa (19115)*, Ringgold (19159)*, Worth (19195)*
IN La Porte (18091), Porter (18127)
MA Berkshire (25003), Essex (25009), Franklin (25011)*, Middlesex (25017), Norfolk (25021)*, Worcester (25027)
ME Androscoggin (23001)*, Aroostook (23003), Cumberland (23005)*, Franklin (23007), Hancock (23009), Kennebec (23011)*, Oxford (23017)*, Penobscot (23019), Somerset (23025), Waldo (23027)*, York (23031)
MI Gogebic (26053), Houghton (26061), Kent (26081), Oakland (26125)*, Ontonagon (26131)
MN Aitkin (27001), Carlton (27017), Cass (27021), Chisago (27025)*, Clearwater (27029), Cook (27031), Crow Wing (27035), Itasca (27061), Kanabec (27065), Lake (27075), Mille Lacs (27095), Pine (27115), St. Louis (27137), Stearns (27145), Todd (27153)
NH Carroll (33003), Cheshire (33005), Coos (33007)*, Grafton (33009), Rockingham (33015)*, Strafford (33017), Sullivan (33019)*
NJ Middlesex (34023)*, Somerset (34035)*
PA Crawford (42039), Erie (42049), Lehigh (42077)*, Luzerne (42079), Lycoming (42081), Philadelphia (42101)*, Union (42119)*
VT Caledonia (50005), Chittenden (50007), Franklin (50011), Lamoille (50015), Orange (50017), Orleans (50019), Rutland (50021), Windham (50025)
WI Barron (55005), Bayfield (55007), Burnett (55013), Chippewa (55017), Douglas (55031), Florence (55037), Iron (55051), Juneau (55057)*, La Crosse (55063)*, Lincoln (55069), Marathon (55073)*, Oneida (55085), Polk (55095), Portage (55097), Price (55099), Rusk (55107), Sauk (55111)*, Sawyer (55113), Taylor (55119), Trempealeau (55121)*, Vilas (55125), Washburn (55129), Wood (55141)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
01 Upper St. John (01010001)+*, Aroostook (01010004)+, Lower Penobscot (01020005)+, Dead (01030002)+, Lower Kennebec (01030003)+, Lower Androscoggin (01040002)+*, Maine Coastal (01050002)+, Presumpscot (01060001)+*, Saco (01060002)+, Piscataqua-Salmon Falls (01060003)+, Merrimack (01070002)+, Concord (01070005)+, Upper Connecticut (01080101)+*, Waits (01080103)+, Upper Connecticut-Mascoma (01080104)+, Black-Ottauquechee (01080106)+, West (01080107)+, Middle Connecticut (01080201)+, Chicopee (01080204)+, Lower Connecticut (01080205)+, Charles (01090001)+, Blackstone (01090003)+, Quinebaug (01100001)+, Shetucket (01100002)+, Thames (01100003)+, Quinnipiac (01100004)+, Housatonic (01100005)+
02 Raritan (02030105)+*, Lehigh (02040106)+*, Lower Delaware (02040202)+*, Upper Susquehanna-Lackawanna (02050107)+, Lower West Branch Susquehanna (02050206)+
04 Baptism-Brule (04010101)+, Beaver-Lester (04010102)+, St. Louis (04010201)+, Cloquet (04010202)+, Beartrap-Nemadji (04010301)+, Bad-Montreal (04010302)+, Black-Presque Isle (04020101)+, Ontonagon (04020102)+, Keweenaw Peninsula (04020103)+, Menominee (04030108)+, Little Calumet-Galien (04040001)+*, Lower Grand (04050006)+, Shiawassee (04080203)+*, Detroit (04090004)+*, Mettawee River (04150401)+, Lamoille River (04150405)+, Missiquoi River (04150407)+, Lake Champlain (04150408)+, St. Francois River (04150500)+
05 Middle Allegheny-Tionesta (05010003)+, French (05010004)+
07 Mississippi Headwaters (07010101)+, Leech Lake (07010102)+, Prairie-Willow (07010103)+, Elk-Nokasippi (07010104)+, Pine (07010105)+, Crow Wing (07010106)+, Platte-Spunk (07010201)+, Sauk (07010202)+, Rum (07010207)+, Upper St. Croix (07030001)+, Namekagon (07030002)+, Kettle (07030003)+, Snake (07030004)+, Lower St. Croix (07030005)+, La Crosse-Pine (07040006)+*, Black (07040007)+, Upper Chippewa (07050001)+, Flambeau (07050002)+, South Fork Flambeau (07050003)+, Jump (07050004)+, Lower Chippewa (07050005)+, Red Cedar (07050007)+, Upper Wisconsin (07070001)+, Lake Dubay (07070002)+*, Castle Rock (07070003)+, Baraboo (07070004)+*, Upper Wapsipinicon (07080102)+*, Shell Rock (07080202)+*, Lower Iowa (07080209)+*, Kankakee (07120001)+
09 Rainy Headwaters (09030001)+, Vermilion (09030002)+, Little Fork (09030005)+, Big Fork (09030006)+
10 Upper Grand (10280101)+*
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
Help
Basic Description: A linear leaved pondweed with very slender stems and a short, interrupted fruiting spike.
Technical Description: Plants springing from winter-buds, dimorphic; the flowering and fruiting form bearing dilated leaves as well as occasional winter buds; the flowerless plants without dilated leaves but with abundant winter buds. Stems : filiform, the numerous very short branches often ending in delicate winter buds: submersed leaves linear-filiform almost bristle tipped, sometimes biglandular at base; the primary ones 2.5-8 cm long, 0.1-0.5 mm wide, with a delicate midrib and (under high magnification) 2 lateral nerves: stipules delicate, scarious, slender, attenuate, 4-12 mm long: dilated leaves, elliptic or narrowly obovate, obtuse 0.6-1.5 cm long, 3-8 mm broad, the 5-9 nerves deeply impressed beneath and (seen with transmitted light) with abundant small lacunae; petioles slender 0.5-2.5 cm long: peduncles 0.8-1.6 cm long, at first straight and ascending, in fruit recurved-arching and becoming submersed: spike at first emersed, finally submersed, interrupted cylindric, in maturity 6-8 mm long, of 3 (2-4) distant whorls: sepaloid connectives olive brown or green, barely 1 mm long obovate: fruits strongly compressed, with the sides almost flat, obliquely round obovate, 1.6-2.2 mm long 1.2-1.6 mm broad, the strongly rounded back distinctly keeled, the convex ventral face curving to the marginal, recurved, slender beak (0.3-0.5 mm long): winter-buds produced from early summer to autumn, nearly sessile in the axils of submersed leaves or on very short (up to 1, rarely 3 cm long) horizontal axillary branches; their subulate bodies 5-8 mm long 0.5-1.2 mm thick; their loosely ascending leaves 0.6-2 cm long. (Fernald 1936).
Diagnostic Characteristics: Floating, expand leaves generally developed, 0.8-1.5 cm long. Submersed leaves 1 mm wide or less. Stipule or stipular sheath free (not adnate to the leaf base).
Duration: ANNUAL
Reproduction Comments: n=14. Asexual buds formed in July and August. Only plants with floating leaves bear fruit.
Lacustrine Habitat(s): Deep water, Shallow water
Habitat Comments: Fresh, quiet, muddy or calcareous waters of creeks, rivers, and small lakes in 1-2.5 (4.5) meters of water with silty sand substrates.
Economic Attributes Not yet assessed
Help
Management Summary Not yet assessed
Help
Population/Occurrence Delineation Not yet assessed
Help
Population/Occurrence Viability
Help
U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
Help
Authors/Contributors
Help
Element Ecology & Life History Edition Date: 31Jan1992
Element Ecology & Life History Author(s): ISAAC, J.

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
Help
  • Adams, J. W. 1929. Potamogeton vaseyi in southwestern Pennsylvania. Bartonia 10:28-29.

  • Adams, J.W. 1929. Potamogeton vaseyi in southwestern Pennsylvania. Bartonia 10:28-29.

  • Adams, J.W. 1929. Potamogeton vaseyi in Southwestern Pennsylvania. Bartonia 10:28-29. A29ADA01PAUS.

  • Bouchard, A., D. Barabé, M. Dumais et S. Hay 1983. Les plantes vasculaires rares du Québec. Syllogeus no 48. Musées nationaux du Canada. Ottawa. 75 p.

  • Bowles, M.L., et al. 1991. Rarely seen endangered plants, rediscoveries, and species new to Illinois. Erigenia 11:27-51.

  • Britton, N. L. and A. B. Brown. 1913. An Illustrated Flora of the Northern United States, Canada, and the British Possessions. 2nd Edition in 3 Volumes. Charles Scribner's Sons, New York. B13BRI01PAUS.

  • Britton, N. L. and A. Brown. 1913. An Illustrated Flora of the Northern United States and Canada. 3 vol. Dover Publications, Inc., N. Y. 2052 pp.

  • Brunton, D. F., and B. M. Di Labio. 1989. Diversity and ecological characteristics of emergent beach flora along the Ottawa River in the Ottawa-Hull region, Quebec and Ontario. Le Naturaliste Canadien 116:179-191.

  • Fassett, Norman C. 1940. A Manual of Aquatic Plants, 1st ed. New York: McGraw-Hill. B57FAS01PAUS.

  • Fassett, Norman C. 1940. A Manual of Aquatic Plants. McGraw- Hill Book Company, New York, New York. 382 p.

  • Faubert, J. 2000. Les Potamogetonaceae du Québec méridional: identification et répartition. Canadian Field-Naturalist 114 : 359-380.

  • Fernald, M. L. 1932. The linear-leaved North American species of Potamogeton section Axillares in Memoirs of the Gray Herbarium of Harvard University 3:1-183.

  • Fernald, M. L. 1950. Gray's manual of botany. 8th edition. Corrected printing (1970). D. Van Nostrand Company, New York. 1632 pp.

  • Fernald, M.L. 1932. The Linear-leaved North American Species of Potamogeton Section Axillares in Memoirs of the Gray Herbarium of Harvard University 3: 1-183. A32FER01PAUS.

  • Fernald, M.L. 1932. The linear-leaved North American species of Potamogeton section Axillares. Mem. Am. Acad. Arts Sci. 17 1-183.

  • Fernald, M.L. 1932b. The Linear-leaved North American Species of Potamogeton Section Axillares. Memoirs of the American Academy of Arts and Sciences, New Series, 17(1):1-183.

  • Fernald, M.L. 1949. Gray's Manual of Botany, Eighth edition. American Book Co. New York. B49FER01PAUS

  • Fernald, M.L. 1950 Gray's Manual of Botany, 8th ed. American Book Company, New York. 1632 pp.

  • Fleurbec / G. Lamoureux, S. Lamoureux, A. Tousignant, L. Cournoyer et R.F. Gauthier / 1994. Plantes susceptibles d'être désignées menacées ou vulnérables. Noms français de 229 espèces. Rapport non publié, préparé pour le gouvernement du Québec, ministère

  • Flora of North America Editorial Committee. 2000. Flora of North America north of Mexico. Vol. 22. Magnoliophyta: Alismatidae, Arecidae, Commelinidae (in part), and Zingiberidae. Oxford Univ. Press, New York. xxiii + 352 pp.

  • Gillett, J.M. et D.J. White. 1978. Liste des plantes vasculaires de la région d'Ottawa-Hull, Canada. Musée national des Sciences naturelles, Ottawa. 165 p.

  • Gleason, H. A., and A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. Second Edition. New York Botanical Garden, Bronx, New York. 910 pp.

  • Gleason, H.A. & Cronquist, A. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Edition. The New York Botanical Garden. Bronx, NY 10458. U.S.A. B91GLE01PAUS.

  • Gleason, H.A., and A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada. D. Van Nostrand Company, New York, NY. 810 pp.

  • Gleason, H.A., and A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. New York Botanical Garden, Bronx, New York. 910 pp.

  • Haynes, R. R., and C. B. Hellquist. 2000. Potamogeton. Pages 48-70 in Flora of North America Editorial Committee, editors. Flora of North America north of Mexico. Volume 22. Oxford University Press, New York, New York.

  • Hellquist, C. B. 1977. Observations on some uncommon vascular aquatic plants in New England. Rhodora 79:445-452.

  • Herkert, Jim. 1998. Proposed additions, deletions, and changes to the Illinois List of Threatened and Endangered Plants. 100th ESPB Meeting, May 15, 1998. 12pp.

  • Jones, G.N. 1952. Type localities of vascular plants first described from Illinois. Amer. Midl. Nat. 47:487-507.

  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

  • Minnesota Department of Natural Resources.  2012.  Statement of need and reasonableness.  Minnesota Department of Natural Resources.  Division of Ecological and Water Resources.  St. Paul, Minnesota.  337 pp.

  • Pip, E. 1987. The ecology of Potamogeton species in central North America. Hydrobiologia 153:203-216.

Use Guidelines & Citation

Use Guidelines and Citation

The Small Print: Trademark, Copyright, Citation Guidelines, Restrictions on Use, and Information Disclaimer.

Note: All species and ecological community data presented in NatureServe Explorer at http://explorer.natureserve.org were updated to be current with NatureServe's central databases as of March 2019.
Note: This report was printed on

Trademark Notice: "NatureServe", NatureServe Explorer, The NatureServe logo, and all other names of NatureServe programs referenced herein are trademarks of NatureServe. Any other product or company names mentioned herein are the trademarks of their respective owners.

Copyright Notice: Copyright © 2019 NatureServe, 2511 Richmond (Jefferson Davis) Highway, Suite 930, Arlington, VA 22202, U.S.A. All Rights Reserved. Each document delivered from this server or web site may contain other proprietary notices and copyright information relating to that document. The following citation should be used in any published materials which reference the web site.

Citation for data on website including State Distribution, Watershed, and Reptile Range maps:
NatureServe. 2019. NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.1. NatureServe, Arlington, Virginia. Available http://explorer.natureserve.org. (Accessed:

Citation for Bird Range Maps of North America:
Ridgely, R.S., T.F. Allnutt, T. Brooks, D.K. McNicol, D.W. Mehlman, B.E. Young, and J.R. Zook. 2003. Digital Distribution Maps of the Birds of the Western Hemisphere, version 1.0. NatureServe, Arlington, Virginia, USA.

Acknowledgement Statement for Bird Range Maps of North America:
"Data provided by NatureServe in collaboration with Robert Ridgely, James Zook, The Nature Conservancy - Migratory Bird Program, Conservation International - CABS, World Wildlife Fund - US, and Environment Canada - WILDSPACE."

Citation for Mammal Range Maps of North America:
Patterson, B.D., G. Ceballos, W. Sechrest, M.F. Tognelli, T. Brooks, L. Luna, P. Ortega, I. Salazar, and B.E. Young. 2003. Digital Distribution Maps of the Mammals of the Western Hemisphere, version 1.0. NatureServe, Arlington, Virginia, USA.

Acknowledgement Statement for Mammal Range Maps of North America:
"Data provided by NatureServe in collaboration with Bruce Patterson, Wes Sechrest, Marcelo Tognelli, Gerardo Ceballos, The Nature Conservancy-Migratory Bird Program, Conservation International-CABS, World Wildlife Fund-US, and Environment Canada-WILDSPACE."

Citation for Amphibian Range Maps of the Western Hemisphere:
IUCN, Conservation International, and NatureServe. 2004. Global Amphibian Assessment. IUCN, Conservation International, and NatureServe, Washington, DC and Arlington, Virginia, USA.

Acknowledgement Statement for Amphibian Range Maps of the Western Hemisphere:
"Data developed as part of the Global Amphibian Assessment and provided by IUCN-World Conservation Union, Conservation International and NatureServe."

NOTE: Full metadata for the Bird Range Maps of North America is available at:
http://www.natureserve.org/library/birdDistributionmapsmetadatav1.pdf.

Full metadata for the Mammal Range Maps of North America is available at:
http://www.natureserve.org/library/mammalsDistributionmetadatav1.pdf.

Restrictions on Use: Permission to use, copy and distribute documents delivered from this server is hereby granted under the following conditions:
  1. The above copyright notice must appear in all copies;
  2. Any use of the documents available from this server must be for informational purposes only and in no instance for commercial purposes;
  3. Some data may be downloaded to files and altered in format for analytical purposes, however the data should still be referenced using the citation above;
  4. No graphics available from this server can be used, copied or distributed separate from the accompanying text. Any rights not expressly granted herein are reserved by NatureServe. Nothing contained herein shall be construed as conferring by implication, estoppel, or otherwise any license or right under any trademark of NatureServe. No trademark owned by NatureServe may be used in advertising or promotion pertaining to the distribution of documents delivered from this server without specific advance permission from NatureServe. Except as expressly provided above, nothing contained herein shall be construed as conferring any license or right under any NatureServe copyright.
Information Warranty Disclaimer: All documents and related graphics provided by this server and any other documents which are referenced by or linked to this server are provided "as is" without warranty as to the currentness, completeness, or accuracy of any specific data. NatureServe hereby disclaims all warranties and conditions with regard to any documents provided by this server or any other documents which are referenced by or linked to this server, including but not limited to all implied warranties and conditions of merchantibility, fitness for a particular purpose, and non-infringement. NatureServe makes no representations about the suitability of the information delivered from this server or any other documents that are referenced to or linked to this server. In no event shall NatureServe be liable for any special, indirect, incidental, consequential damages, or for damages of any kind arising out of or in connection with the use or performance of information contained in any documents provided by this server or in any other documents which are referenced by or linked to this server, under any theory of liability used. NatureServe may update or make changes to the documents provided by this server at any time without notice; however, NatureServe makes no commitment to update the information contained herein. Since the data in the central databases are continually being updated, it is advisable to refresh data retrieved at least once a year after its receipt. The data provided is for planning, assessment, and informational purposes. Site specific projects or activities should be reviewed for potential environmental impacts with appropriate regulatory agencies. If ground-disturbing activities are proposed on a site, the appropriate state natural heritage program(s) or conservation data center can be contacted for a site-specific review of the project area (see Visit Local Programs).

Feedback Request: NatureServe encourages users to let us know of any errors or significant omissions that you find in the data through (see Contact Us). Your comments will be very valuable in improving the overall quality of our databases for the benefit of all users.