Alberta, Canada
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Scentless Chamomile
Matricaria perforata
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Also known as - Wild Chamomile, Scentless Mayweed, False Chamomile.

Latin synonyms - Matricaria maritima, Matricaria inodora, Tripleurospermum inodorum

Not native to Alberta. Annual or biennial. Noxious weed.

General Description

By Gustave J. Yaki

Introduced from Eurasia. Common. Noxious weed. Stems, smooth, weak-stemmed, ascending branched, 2-10m tall. Leaves, alternate; twice or thrice cut into feathery, slender segments, 2-8cm long. Flowerheads, daisy-like, with yellow disc florets and white ray florets, 8-16mm long; head 3-4cm across, surrounded by brown-edged bracts; May-Oct. Fruit, rectangular seeds, dark brown, with 3 prominent ribs; each plant may produce over 300,000 seeds. Habitat: roadsides, disturbed areas. Flowers may be mistaken for Ox-eye Daisy, Leucanthemum vulgare. sWeas.N50.58.770/W114.08.458.

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Where to find Scentless Chamomile in Alberta   

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Interesting Facts about Scentless Chamomile   

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Scentless Chamomile Stories from our Readers   

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Recent Scentless Chamomile Reports in Alberta


Abundance Location Reporter Date
Present Harvest Hills iuliani 2011/07/15
Present County of Wetaskiwin No. 10 Blake 2009/07/30
Present Red Deer County Blake 2009/07/28
Present Piper Creek Blake 2009/07/24
Present Northlands Industrial Park Blake 2009/07/19

Scentless Chamomile Hotspots in Alberta

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