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Silphium integrifolium
whole-leaf rosinweed Aster Family
Silphium integrifolium Asteraceae
common names
  whole-leaf rosinweed
  entire-leaf rosinweed
  prairie rosinweed
accepted scientific name
  Silphium integrifolium Michx.
rules for finding collection records
  Silphium integrifolium (1786)
  Silphium speciosum (119)
  exclude Silphium integrifolium asperrimum
family name
Image Author: ©2005 Frank Mayfield
Image License: CC BY-SA
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is 2. to 3. inches
Number of ray petals: 12 to 25
Leaf: Opposite
Plant Observed 2nd week of June thru 2nd week of October

How Likely at this Location (48%)
Name Match (100%)
Plant Showiness (81%)
base map where plant found
mag select

grid lines base