Characteristics
Dicots
Myriophyllum spicatum L.
Eurasian Watermilfoil
forb
0
**
Not Native
AGCP (OBL), EMP (OBL) (NWPL)
TN[SNA] KY[SNA] (State Rank)
GNR (Global Rank)
Armaments
No
Base Flower Color
Green
Carpel Number/Pistil
0; 1; 2; 3; 4
Duration
Perennial
Fruit Dehiscence
Yes
Fruit Type
Schizocarp
Fruit Wet/Dry
Dry
General Ecology
Aquatic; Terrestrial
Growth Habit
forb
Leaf Arrangement
whorled
Leaf Complexity
compound
Leaf Dissection
1
Leaf Duration
evergreen
Leaf Fragrance
No
Leaf Petiole Type
petiolate
Leaf Type
linear; broadleaf
Leaf Venation
pinnate
Leaflet Margins
entire
Leaflet Number
16; 17; 18; 19; >20
Moisture Requirements
Hydric; Inundated
Natural Area Presence
LGS; DRU; TRG; LC
Overall Flower Symmetry
Actinomorphic
Soil Composition
Mineral
Stamen Number
0; 8
Unconsolidated Rock
Yes
Woody Herbaceous
Herbaceous
Classification
Species Distribution Map
This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display its name.
Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.
Ecoregions
Southeastern Plains
-
Blackland Prarie
Blue Ridge Mountains
Ridge and Valley
Cumberland Plateau
Cumberland Mountains
Allegheny Plateau
Interior Plateau
-
Bluegrass Region
Nashville Basin
Pennyroyal Karst Plain
Western Highland Rim
Eastern Highland Rim
Interior River Valleys and Hills
-
Shawnee / Caseyville Hills
Mississippi Alluvial Plain
Mississippi Valley Loess Plains
Synonyms
Specimens and Distribution
Click on an Accession Number to view additional details about the specimen.
Range of years during which specimens were collected: