Heather Liljengren, a field taxonomist with the New York City Department of Parks and Recreation, examines the seed pods of the Virginia spiderwort at Oakwood Beach, Staten Island. Liljengren collects seeds from across the region for a seed bank of native plants.
Oglala Lakota activist Debra White Plume (left), tribal president Bryan Brewer (center) and other protesters create a blockade to prevent trucks from delivering beer to a liquor store in Whiteclay, Neb. The town, which borders the Pine Ridge Reservation, has been the site of recurring protests over alcohol.
Charles Michael Ray/SDPB