knapweed's Usage Examples:

Also look for the brownish flower spikes of knapweed broomrape, and common dodder with its long red tendrils.

lesser knapweed grows in grassland where its reddish-purple thistle-like flowers appear from July to September.

The reserve also boasts probably the largest numbers of the parasitic knapweed broomrape anywhere in the county.

Design a summer meadow with some spring plants but include marjoram, knapweed and scabious.

daisyer in the year knapweed, scabious and oxeye daisies provide a nectar source for butterflies and other invertebrates.

When last surveyed in 1999 cowslips, pepper saxifrage, meadowsweet, common knapweed and greater burnet saxifrage were present.

Look out for wild carrot, white clover, weld, ragwort, thistle and black knapweed.

Both sites had new species including water chickweed, common toadflax, snapdragon, common hemp nettle, dwarf mallow and greater knapweed.

The flowerheads of greater knapweed have long rays which are lacking in common knapweed.

knapweed broomrape anywhere in the county.

Species within the meadows include Yorkshire fog, great burnet, Lady's bedstraw, common knapweed, meadow vetchling and pepper saxifrage.

Dave Burch, the state's weed coordinator, estimated spotted knapweed costs the state's economy " 42 million a year.

The neutral grassland supports species such as common toadflax and common knapweed.