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Silphium terebinthinaceum
prairie dock Aster Family
Silphium terebinthinaceum Asteraceae
common names
  prairie dock
  prairie rosinweed
accepted scientific name
  Silphium terebinthinaceum Jacq.
rules for finding collection records
  Silphium pinnatifidum (31)
  Silphium terebinthinaceum authority does not contain Elliot (969)
family name
Image Author: © John Hilty,Illinois Wildflowers
Image License: Author's permission
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is 2. to 3.5 inches
Number of ray petals: 15 to 30
Leaf: Basal
Plant Observed 2nd week of May thru 3rd week of October

How Likely at this Location (30%)
Name Match (100%)
Plant Showiness (90%)
base map where plant found
mag select

grid lines base