Skip to main content

Extension

Plant Profile 
FYUSE 3d Image

Common Name: White Snakeroot
Other Names: White Sanicle, Fall Poison, Whitetop, Poolwort
Species Name: Ageratina altissima
Plant Type: Forb
Family Name: Asteraceae, Sunflower Family

Plant Facts 
OriginNative
DurationPerennial
Distribution in the U.S.Eastern half of U.S. west to Minnesota and Texas
Distribution in OklahomaEastern half of the state

ID Characteristics

  • Field Identification Characteristics
    • Recognized by dense stands in moist shaded areas
    • Opposite, 3-veined triangular leaves; serrated edges
    • Branches at joining of leaf to the stem terminate in flower heads
    • Flowers numerous, small and white
Habitat/Ecology 
Soil TypeMoist loam, clay loam soil
HabitatShady, moist sites, wooded ravines, stream banks, sheltered slopes, understory
Successional StageMid to late