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(Upload on May 7 2018) [ 日本語 | English ]

Lactuca L. (アキノノゲシ) Canada lettuce, Canada wild lettuce, tall lettuce and Florida blue lettuce Life form: weedy, annual/biennial forb, with 50-200 cm tall Distribution: eastern and central parts of North America Habitat: fields, waste places and woodlands

Seed dispersal: wind Chromosome number: 2n = 34 Synonyms: Lactuca integrifolia Bigel. Galanthenium integrifolium Nutt. var. latifolia Kuntze, entire-leaved form

Lactuca canadensis in the West Coast

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[1-3] in Ira Keller Fountain, Portland, Oregon, on August 8 2017.