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Rothrock's knapweed
Plectocephalus rothrockii
Plectocephalus rothrockii
Rothrock's knapweed Aster Family
Plectocephalus rothrockii Asteraceae
common name
  Rothrock's knapweed
accepted scientific name
  Plectocephalus rothrockii (Greenm.) D.J.N. Hind
rules for finding collection records
  Centaurea rothrockii (70)
  Plectocephalus rothrockii (101)
family name
Image Author: ©2009 Russ Kleinman, Patrick Alexander, Western New Mexico University Department of Natural Sciences and the Dale A. Zimmerman Herbarium
Image License: They are free for you to use as you wish.
Image Source

Category: Wildflowers
Flowers: Many petals
Petal colors: color color
Flower size is 2.4 to 5.5 inches
Leaf: Alternate, Simple
Plant Observed beginning of July thru 2nd week of November

Plant Showiness (90%)
base map where plant found
mag select

Native Plant Status
native status map native status map native status map native status map
native Native
native Not Present