Potentilla anserina - identified by MOS ranger. Back of leaf is silver in the sun. Growing among grass and dandelion relatives.
Winter Hackberry between buildings 102 and 103 in Indiana Dunes National Lakeshore's headquarters complex, 1100 N. Mineral Springs Road, Porter, IN 46304.
On vegetation by side of Wattapama rd. in wooded area. ID based on "Terrestrial Invertebrate Animals of the Virgin Islands" W. B. Muchmore et. al. 1987
Oyster mushrooms