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(Upload on January 5 2014) [ 日本語 | English ]

Tripleurospermum (L.) Sch. Bip. (シカギク) T. maritimum (L.) W. D. J. Koch Lifeform: annual/biennial/perennial forb Chromosome number: 2n = 18, or 36 ssp. inodorum (L.) Applequist Inukamitsure (イヌカミツレ), false mayweed (ウイキョウギク, イヌカミルレ) Distribution: native to Europe → invasive to Japan Hokkaido Blue List: A3 Habitat: disturbed sites, such as roadsides Synonyms: Matricaria inodora L. Tripleurospermum inodorum (L.) Sch. Bip.

ssp. phaeocephalum (Rupr.) Hamet-Ahti Distribution: arctic and subarctic in northern America Habitat: sandy places and grasslands by the seashore and near human habitation Synonyms: Matricaria maritima L. ssp. phaeocephala (Rupr.) Rauschert Tripleurospermum phaeocephalum (Rupr.) Pobed. ssp. maritimum Synonyms: Matricaria maritima L.

Tripleurospermum maritimum in Alaska

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ssp. phaeocephalum (イヌカミツレ)

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[1-3] near a seaside along a paved road at Nome in Seward Peninsula on August 6 2013.