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Common (vernacular) names applied to California vascular plants

compiled by Elizabeth Painter

up to date as of May 1, 2016

Common names (also referred to as vernacular names) are applied differently at different times and places by different users. This list is compiled from many sources and is intended to be as comprehensive as possible. It is not intended to indicate which common name is correct or preferred. Please send comments about this page to Elizabeth Painter (

TaxonPolygonum minimum
Family common name(s)buckwheat; smartweed; knotweed
Genus common name(s)polygonum; true knotweed
Species common name(s)leafy dwarf knotweed; broad-leaved knotweed; broad leaved knotweed; broad-leafed knotweed; broad-leaf knotweed; broad leaf knotweed; broadleaf knotweed; zigzag knotweed; least knotweed; little mountain knotweed; little knotweed
Common name(s) generally applied to other taxa or multiple taxaleafy knotweed, dwarf knotweed are applied to multiple Polygonum taxa; knotweed, knot-weed, knot weed, buckwheat, buck-wheat, buck wheat, false buckwheat, false-buckwheat, doorweed, door-weed, door grass, door-grass, dooryard grass, door-yard grass, tear-thumb, tear thumb, tearthumb are applied to multiple Polygonaceae taxa; heart's-ease, heart's ease, hearts'-ease, hearts' ease, heartsease, lady's-thumb, lady's thumb, lady's-thumb, ladysthumb are applied to taxa in multiple families
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