KNOTWEED

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BROADLEAF KNOTWEED
Crystal Basin RA, May
Bassi Falls
(same)

DAVIS'S KNOTWEED
Mokelumne Wilderness, August
Winnemucca Lake Trail
(same)

SHASTA KNOTWEED
Mokelumne Wilderness, August
Winnemucca Lake Trail
(same)

DAVIS'S KNOTWEED
Eldorado NF, September
Little Round Top Trail