| 5495425 |
little amphianthus |
Amphianthus pusillus |
Granite outcrop |
| 5495422 |
little amphianthus |
Amphianthus pusillus |
April 2013, pool on granite outcrop |
| 5484189 |
fragrant waterlily |
Nymphaea odorata |
Fragrant waterlilies and bald cypress trees grow abundantly in this swamp in Florida, USA. |
| 5479705 |
purple loosestrife |
Lythrum salicaria |
|
| 5456188 |
parrot feather milfoil |
Myriophyllum aquaticum |
|
| 5456210 |
parrot feather milfoil |
Myriophyllum aquaticum |
|
| 5456211 |
parrot feather milfoil |
Myriophyllum aquaticum |
|
| 5479647 |
purple loosestrife |
Lythrum salicaria |
|
| 5479697 |
purple loosestrife |
Lythrum salicaria |
|
| 5308026 |
twoleaf watermilfoil |
Myriophyllum heterophyllum |
USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. |
| 5306061 |
alligatorweed |
Alternanthera philoxeroides |
USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. |
| 5308006 |
purple loosestrife |
Lythrum salicaria |
USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. |
| 5308005 |
purple loosestrife |
Lythrum salicaria |
Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 2: 581. |
| 5308025 |
twoleaf watermilfoil |
Myriophyllum heterophyllum |
Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 2: 616. |
| 5309016 |
water-chestnut |
Trapa natans |
Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 2: 612. |
| 5308027 |
Eurasian watermilfoil |
Myriophyllum spicatum |
Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 2: 614. |
| 1291022 |
purple loosestrife |
Lythrum salicaria |
Root, stem, and flowers |
| 5479648 |
purple loosestrife |
Lythrum salicaria |
|
| 5479695 |
purple loosestrife |
Lythrum salicaria |
|
| 5479701 |
purple loosestrife |
Lythrum salicaria |
|
| 5479680 |
purple loosestrife |
Lythrum salicaria |
|
| 5479681 |
purple loosestrife |
Lythrum salicaria |
|
| 1594327 |
purple loosestrife |
Lythrum salicaria |
|
| 1594325 |
purple loosestrife |
Lythrum salicaria |
|
| 5402039 |
purple loosestrife |
Lythrum salicaria |
|
| 5402040 |
purple loosestrife |
Lythrum salicaria |
|
| 0002001 |
Eurasian watermilfoil |
Myriophyllum spicatum |
a submersed aquatic plant at Cornell University Research Ponds |
| 5438187 |
purple loosestrife |
Lythrum salicaria |
|
| 5437099 |
Eurasian watermilfoil |
Myriophyllum spicatum |
|
| 1400076 |
purple loosestrife |
Lythrum salicaria |
Southeast Minnesota, September. |
| 5435849 |
purple loosestrife |
Lythrum salicaria |
|
| 1333004 |
Senegal tea plant |
Gymnocoronis spilanthoides |
New Zealand |
| 1149037 |
purple loosestrife |
Lythrum salicaria |
|
| 1116044 |
lakecress |
Neobeckia aquatica |
|
| 1149038 |
purple loosestrife |
Lythrum salicaria |
|
| 1116045 |
lakecress |
Neobeckia aquatica |
|
| 0002038 |
purple loosestrife |
Lythrum salicaria |
Tonawanda Wildlife Management Area |
| 1624025 |
purple loosestrife |
Lythrum salicaria |
Introduced from Europe in the mid-1800s as an ornamental plant, has invaded wetlands in the eastern and north central states and is still being planted in roadside beautification projects in parts of the United States. |
| 2117096 |
alligatorweed |
Alternanthera philoxeroides |
|
| 2117090 |
alligatorweed |
Alternanthera philoxeroides |
|
| 2117079 |
alligatorweed |
Alternanthera philoxeroides |
|
| 2117078 |
alligatorweed |
Alternanthera philoxeroides |
|
| 1380145 |
fragrant waterlily |
Nymphaea odorata |
|
| 1380147 |
fragrant waterlily |
Nymphaea odorata |
|
| 1380138 |
fragrant waterlily |
Nymphaea odorata |
|
| 2117091 |
alligatorweed |
Alternanthera philoxeroides |
|
| 1380144 |
fragrant waterlily |
Nymphaea odorata |
|
| 1380143 |
fragrant waterlily |
Nymphaea odorata |
|
| 1116043 |
lakecress |
Neobeckia aquatica |
|
| 5399024 |
roundleaf toothcup |
Rotala rotundifolia |
habitat |
| 5399020 |
roundleaf toothcup |
Rotala rotundifolia |
Vallisneria gigantea; habitat |
| 5399021 |
roundleaf toothcup |
Rotala rotundifolia |
habitat |
| 5399022 |
roundleaf toothcup |
Rotala rotundifolia |
habitat |
| 5396797 |
Senegal tea plant |
Gymnocoronis spilanthoides |
habitat |
| 5396761 |
Eurasian watermilfoil |
Myriophyllum spicatum |
Chara sp. |
| 5396804 |
creeping waterprimrose |
Ludwigia peploides |
habitat |
| 5396801 |
creeping waterprimrose |
Ludwigia peploides |
habitat |
| 5396802 |
creeping waterprimrose |
Ludwigia peploides |
habitat |
| 5396803 |
creeping waterprimrose |
Ludwigia peploides |
habitat |
| 5396800 |
creeping waterprimrose |
Ludwigia peploides |
habitat |
| 5396215 |
roundleaf toothcup |
Rotala rotundifolia |
habitat |
| 5396214 |
roundleaf toothcup |
Rotala rotundifolia |
habitat |
| 5400226 |
alligatorweed |
Alternanthera philoxeroides |
|
| 5273002 |
purple loosestrife |
Lythrum salicaria |
|
| 5387442 |
purple loosestrife |
Lythrum salicaria |
vegetative stem. |
| 1542368 |
waterlilies |
Nymphaea spp. |
|
| 1542374 |
waterlilies |
Nymphaea spp. |
|
| 5358588 |
purple loosestrife |
Lythrum salicaria |
Infestation of purple loosestrife (Lythrum salicaria) in bloom. |
| 5330055 |
Eurasian watermilfoil |
Myriophyllum spicatum |
washed up on shore |