Rock Creek Ranch Park (RCRP): North side of Silphium Prairie. BRIT Herbarium voucher TFR.
Rock Creek Ranch Park, old hay field (Burn Unit 1), 30m west of south end of Plot VRC04
Rock Creek Ranch Park, old hay field (Burn Unit 1), 30m west of south end of Plot VRC04
Rock Creek Ranch Park, old hay field (Burn Unit 1), 30m west of south end of Plot VRC04