Missouri Department of Conservation
Missouri Department of Conservation

Taxonomy

Common Name: SLENDER PONDWEED

Phylum: MAGNOLIOPHYTA

Class: LILIOPSIDA

SubClass: ALISMATIDAE

Order: NAJADALES

Family: POTAMOGETONACEAE

Genus: POTAMOGETON

Species: PUSILLUS

SubSpecies: PUSILLUS

Taxonomic Authority: L.

Taxonomy References: 001

Status

STATE RANK S3
GLOBAL RANK G5T5

Status References: 002 , 014

Habitat Summary

"In standing or slow moving water of ponds, lakes, sloughs and backwaters of streams and rivers *004*."

Primary Habitat: ""

References: 003 , 004

Distribution

General Occurrence in State:

"Uncommon and widely scattered in the state *004*."

County Occurance

County Occurence
Known Likely Unknown Not Likely Historic Extirpated
ADAIR BATES
BOLLINGER JASPER
BOONE JOHNSON
BUTLER LACLEDE
DOUGLAS MCDONALD
Lafayette NEWTON
PERRY WAYNE
SCOTLAND
SCOTT
ST. LOUIS
TEXAS

References for distribution: 013 , 003 , 004

Distribution by Watersheds

North Fabius R. and Middle Fabius R.
Meramec R.
Miss. R. from River Aux Vases to Ohio R.
Castor R. and Castor R. Diversion Channel
St. Francis R. from Wappapello Dam to Arkansas Border
Little R.
Little Chariton R.
Marais Des Cygnes from Headwaters to Little Osage R.
Gasconade R. from Headwaters to Big Piney R.
Big Piney R.
Mo. R. from Little Chariton R. to Gasconade R.
Blackwater R.
North Fork White R.
Black R.
Spring R.
Indian Creek

Comments: ""

Distribution by Ecoregions

Comments: ""

Distribution by Potential Natural Vegetation

Bluestem Prairie/Oak Hickory Forest
Oak-Hickory Forest
Oak-Hickory-Pine Forest
Southern Floodplain Forest

Distribution by Natural Divisions of Missouri

Glaciated Plains
Glaciated Plains: Grand River
Glaciated Plains: Eastern
Ozark Border
Ozark Border: Mississippi River
Ozark
Ozark: Springfield Plateau
Ozark: Upper Ozark
Ozark: Elk River
Ozark: White River
Ozark: Lower Ozark
Mississippi Lowlands
Mississippi Lowlands: Crowley's Ridge
Osage Plains

Habitat Associations

Species is associated with "Aquatic" habitats.

National Wetlands Inventory Association:

Aquatic Associations:

"Lacustrine, limnetic", "", ,
"Lacustrine, limnetic", "", ,
"Lacustrine, limnetic", "", ,
"Palustrine", "", ,
"Palustrine", "", ,
"Riverine, lower perennial"
"Riverine, lower perennial", "Aquatic bed, aquatic moss"

References for Aquatic Associations: 003

Habitat Types:

Limestone Bluff and Cave
Pond, Lake, Reservoir
Permanent Stream

References for Habitat Types: 003 , 004

Terrestrial Natural Communities:

Forest
Dry-Mesic Forest
Dry-Mesic Chert Forest
Prairie
Streambed
Gravel Wash Streambed
Caves

References for Terrestrial Natural Communities: 003

Food Habits

Trophic Level:

""

Larval Food Habits

Comments for larval food habits:
""

References for larval food habits:

Juvenile Food Habits

Comments for Juvenile Food Habits:
""

References Juvenile Food Habits

Adult Food Habits

Comments for Adult Food Habits:
""

References Adult Food Habits

Niche Requirements

Egg Niche Requirements

References for egg niches requirements:

Feeding Larvae Niche Requirements

References for feeding larvae niche requirements:

Resting Larvae Niche Requirements

References for resting Larvae niche requirements:

Feeding Juvenile Niche Requirements

References for feeding juvenile niche requirements:

Resting Juvenile Niche Requirements

References for resting juvenile niche requirements:

Breeding Adult Niche Requirements

References for feeding Adult niche requirements:

Feeding Adult Niche Requirements

References for feeding adult niche requirements:

Resting Adult Niche Requirements

References for resting adult niche requirements:

Niche Requirement Summary

Life History Information

Reproduction (plants):fragmentation
Reproduction (plants):see comments(042)
Winter persistence of above-ground stem:deciduous
Winter persistence of above-ground stem:see comments(043)
Duration of plant:perennial
Pollination by:wind
Pollination by:water
Life form:herb
Flowering period begins: June
Flowering period begins: see comments(048)
Flowering period ends: October
Fruiting period begins: June
Fruiting period begins: see comments(050)
Fruiting period ends: October
Origin in state: native
Closely associated plant or animal species specified in comments(003)

References for life history: 013 , 004 , 005 , 006 , 007 , 009 , 010 , 012

Management

Beneficial Management Practices:

Water - develop/maintain lakes/ponds
Water - develop/maintain streamside vegetation
Agricultural - develop and maintain water holes, ponds, potholes, etc.
Forest - develop and maintain water holes, ponds, potholes, etc.
Forest - maintain streambanks
Forest - maintain streamside vegetation

Beneficial Management References: 003

Adverse Managment Practices:

Water - drainage of wetlands, marshes, ponds, lakes

Adverse Management References: 003

Comments on Management:

References for Management Comments:

References

Reference Code Citation
001 Unpb The PLANTS Database, database (version 5.1.1). 2000. National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov.htm Potamogeton pusillus ssp. Pusillus.
002 Missouri Natural Heritage Program. 2004. Missouri Species and Communities of Conservation Concern Checklist. Missouri Department Of Conservation. Jefferson City, Missouri. 47 Pp.
003 Unpb Missouri Department Of Conservation Heritage Database. P.O. Box 180, Jefferson City, Missouri 65102. 573-751-4115.
004 Steyermark, J.A. 1963. The Flora Of Missouri. The Iowa State University Press. Ames, IA. 1728 pp.
005 Unpb US Army Engineer Research and Development Center (ERDC). Aquatic Plant Control Reasearch Program. Potamogeton pusillus. Http://www.wes.army.mil/el/aqua/apis/plants/html/potamog5.html
006 Unpb Ringelman, JK. 1990. Waterfowl Management Handbook. Http://www.nwrc.usgs.gov/wdb/pub/wmh/13_1_2.pdf, Colorado Division of Wildlife, 317 West Prospect Road, Fort Collins, CO 80526.
007 Arber, A. 1963. Water plants: a study of aquatic angiosperms. Hafner Publishing Co: New York. 436pp.
008 Unpb Harvard University Herbaria. 2001. Atlas of the flora of New England: Monocots except Poaceae and Cyperaceae: Families (P-Z). Http://neatlas.huh.harvard.edu/Neatlas2/MonoFam-P-Z.html
009 Barrat-Segretain, M.H., G. Bornette, and A. Hering-Vilas-Bôas. 1997. Comparative abilities of vegetative regeneration among aquatic plants growing in disturbed habitats. Aquatic Botany 60(3): 201-211.
010 Kadono, Y. 1984. Comparative ecology of Japanese Potamogeton: an extensive survey with special reference to growth form and life cycle. Japanese Journal of Ecology 34: 161-172.
011 Hansel-Welch, N., M.G. Butler, T.J. Carlson, and M.A. Hanson. 2003. Changes in macrophyte community structure in Lake Christina (Minnesota), a large shallow lake, following biomanipulation. Aquatic Botany 75(4): 323-337.
012 Unpb Flora Of Missouri Database. G. Yatskievych, Missouri Botanical Garden, P.O. Box 299, St. Louis, Mo. 63166-0299. 314-577-9522.
013 Unpb Smith, T. Missouri Dept of Conservation, PO Box 180, Jefferson City, MO 65102. 573-751-4115.
014 Missouri Natural Heritage Program 2016. Missouri Species and Communities of Conservation Concern Checklist. Missouri Department Of Conservation. Jefferson City, Missouri. Pp. 57.