Patagonia Wildflowers
Wildflower Identification
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Santa Maria feverfew
Parthenium hysterophorus
Parthenium hysterophorus
Santa Maria feverfew Aster Family
Parthenium hysterophorus Asteraceae
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English common names
  •Santa Maria feverfew
  •ragweed parthenium
  •whitetop weed
Spanish common names
  •escoba amarga
  •falsa altamisa
  •altamisa del campo
accepted scientific name
  •Parthenium hysterophorus L.
rules for finding collection records
  Parthenium hysterophorus (1109)
  excludeParthenium hysterophorus lyratum
family name
  • Asteraceae
Image Author: ©2013 Forest And Kim Starr
Image License: CC BY
Image Source Image Source

Category: Wildflowers
Flowers: No obvious petals
Petal colors: color
Leaf: Alternate, Compound
Plant Observed All Year

Plant Showiness (36%)
base map where plant found
mag select

Disturbed
Brush
Sand
Rocky
Wetland
Salt Marsh
Riparian
Meadow
Grassland
Native Plant Status
native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map mask
native Native
native Not Present