Field Guide to Noxious and Other Selected Weeds of British Columbia

Scentless Chamomile
(Matricaria maritima)

  • Provincial Noxious Weed

  • annual to short-lived perennial; white daisy-like flowers 2 to 3 cm across; grows from 15 cm to over 1 metre in height; fern-like, very finely divided leaves

  • whole plant is virtually odourless (scentless) when crushed

  • can produce 10,000 to 200,000 seeds per plant

  • often confused with stinking mayweed (Anthemis cotula), oxeye daisy (Chrysanthemum leucanthemum) and pineappleweed (Matricaria matricariodes). Stinking mayweed has a very offensive odour when crushed as well as stem hairs below the flower heads. Oxeye daisy has flowers to 5 cm across, rhizomatous roots and entire, notched leaves. Pineappleweed grows to 16 cm high, has no white ray flowers and has a distinct pineapple odour when crushed.
Fern-like finely divided leaves

More information on scentless chamomile (Weeds BC)

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