pickerel weed pontederia cordata, growing in walsingham lake in largo, florida

agrgressive aquatic backdrop background beautiful bloomer cordata county ecosystem environment environmental florida flower flowers foliage fresh growing habitat lagoon lake landscape lane largo marsh natural nature norm outdoors park perennial pickerel pinellas plant plants pond pontederia purple purpleblue repeat reservoir scenic shore shoreline spikes subtropic subtropical tropic tropical tubular usa vegetation view walsingham water weed wetlands wild