Broadleaf aquatic

Weeds: Parrotfeather and Eurasian watermilfoil – Myriophyllum spp. Categories: Broadleaf aquatic I-Po Weeds Last review date: 2026-06-05 05:09 Family: Haloragaceae Cycle: Perennial Plant type: Broadleaf aquatic Partotfeather fronds Photo by: T.W. Miller Biology These rhizomatous perennials exhibit an annual pattern of growth. In the spring, shoots begin to grow rapidly from overwintering rhizomes as water […]

Weeds: Water primrose – Ludwigia uruguayensis (L. hexapetala) Categories: Broadleaf aquatic Sh-Z Weeds Last review date: 2026-06-05 05:48 Family: Onagraceae Cycle: Perennial Plant type: Broadleaf aquatic Water primrose with flowers Photo by: Washington Noxious Weed Board slide collection Biology Water primrose is a perennial aquatic herb. Stems sprawl or grow horizontally to erect on water […]