DUNES: Tidestrom’s lupine has recolonized dunes near Abbotts Lagoon, where invasive grasses choked out native plants and sensitive habitat before restoration efforts dug them up.   David Briggs

Herbicides are the best option for killing invasive beachgrass and iceplant on 600 acres of coastal dunes in the Point Reyes National Seashore, according . . .

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