TREES LIVE HERE
Polygonaceae: Bistorta - Polygonum
Bistorta bistortoides (American bistort) - Hurricane Ridge trail, ONP
Eriogonum ovalifolium var. nivale (Sierra cushion buckwheat) - Blue Mountain trail, ONP
Persicaria amphibia (Water smartweed) - Elwha River estuary
Polygonum douglasii (Douglas' knotweed) - Switchback Trail, ONP
Polygonum minimum (Leafy dwarf knotweed) - Switchback Trail, ONP
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