Maidenhair Vine          

Manyleg Knotweed          

Marin Knotweed          

Marshpepper Knotweed      

Marumleaf Buckwheat      

Matted Buckwheat          

Matthews Buckwheat          

Meadow Bistort      

Mendocino Spineflower          

Mexican Dock          

Milkwort Knotweed          

Mojave Spineflower          

Money Buckwheat          

Mono Buckwheat          

Monterey Spineflower          

Mountainmist          

Mountainsorrel          

Mourning Buckwheat          

Mouse Buckwheat          

Mt. Diablo Buckwheat