Brown-rayed Knapweed Centaurea jacea LinnaeusNon-native  -  Invasive    Synonyms: Brown Star-thistle.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Asterales   >   Family Asteraceae   >   Genus Centaurea   

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GA AL WAFRCL MOHO BABC HACEPGAACVCHSMKEQACNTADOWISOWO
Brown-rayed Knapweed in Allegany Co., Maryland (9/13/2013). Photo by Jim Stasz. (MBP list)

Brown-rayed Knapweed in Howard Co., Maryland (5/28/2010). Photo by Bill Harms. (MBP list)

Brown-rayed Knapweed in Allegany Co., Maryland (9/13/2013). Photo by Jim Stasz. (MBP list)

Brown-rayed Knapweed in Garrett Co., Maryland (Date obscured). (c) johnbotany, some rights reserved (CC BY-NC). Photo by John Hall. (MBP list)

Brown-rayed Knapweed in Garrett Co., Maryland (9/21/2019). (c) Frode Jacobsen, some rights reserved (CC BY-NC). Photo by Frode Jacobsen. (MBP list)


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MBP marks as "Invasive" any taxon listed in the Maryland Invasive Species Council (MISC) list of Invasive Species of Concern in Maryland. You can read their criteria and review the lists here: https://mdinvasives.org/species-of-concern/.