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Tryangulation: Something there is that doesn't love a row
I read this blog posting about this Centaurea tchihattcheffi form of cornflower that may become extinct shortly, just a few days before the regional agriculture newspaper reported that an invasive species of Centaurea was being labeled as a noxious weed in Missouri for the first time. SUCH A PARADOX must be noted
in list: Cornflowers
more fromtryangulation.typepad.com
Farm Talk - Spotted knapweed added to noxious weed list
Published June 10, 2008 11:49 am - University of Missouri specialists warn that spotted knapweed is highly invasive and a threat to area pastures.
this is the originating article, along with the Tryangulation blog about one of the few cornflowers (Centaurea genus) that may shortly become extinct; such a paradox I had to write a blogpost about it
in list: Cornflowers
more fromwww.farmtalknewspaper.com
SPOTTED KNAPWEED IN MISSOURI
images to use to spot this noxious weed in full growth; that is a bit too late
in list: Cornflowers
more fromextension.missouri.edu
Spotted Knapweed
in list: Cornflowers
more fromextension.missouri.edu
Spotted Knapweed
an excellent primer to use for general identification of the spotted knapweed from primary leaves to flowers
in list: Cornflowers
more fromipm.ppws.vt.edu
Spotted knapweed - Invasive species: Minnesota DNR
gives off toxins that kill plants around it; more information about the noxious weed species of this Centaurea genus
in list: Cornflowers
more fromwww.dnr.state.mn.us
CWMA Spotted knapweed
excellent images, especially of the base of the plants where the leaf rosettes grow
in list: Cornflowers
more fromwww.cwma.org
Invasive Species - Invasive Plants of the Future - WDNR
another website that provides excellent information for student work
in list: Cornflowers
more fromdnr.wi.gov
PCA Alien Plant Working Group - Spotted Knapweed (Centaurea biebersteinii)
would be an excellent resource for students; supplement with USDA information
in list: Cornflowers
more fromwww.nps.gov
Invasive Species: Plants - Spotted Knapweed (Centaurea biebersteinii)
a basic scientific profile of this invasive species and what can be done to prevent or eradicate it; even though this species is not a spiny thistle, it is a thistle species. Therefore, it will spread rapidly.
in list: Cornflowers
more fromwww.invasivespeciesinfo.gov
spotted knapweed, Centaurea stoebe ssp. micranthos (Asterales: Asteraceae) @ Invasive.org
more images of the noxious weed, known as knapweed of the Centaurea genus
in list: Cornflowers
more fromwww.invasive.org
741.pdf (application/pdf Object)
current botanical survey of Centaurea genus; cornflowers originally from Eurasia
in list: Cornflowers
more fromaob.oxfordjournals.org
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