greater knapweed การใช้

• Various colour-forms of greater knapweed may be found as well as common twayblade.
• Greater knapweed is found growing in dry grasslands, hedgerows and cliffs on lime-rich soil.
• Its most important feature is a variety of unusual flowering plants, including greater knapweed, lady's bedstraw and field scabious.
• There are flowering plants such as field scabious, greater knapweed, St John's wort, wild marjoram and bladder campion.