Blooms In The Park

What's what in area of blooming flowers in the first week of May in Sligo Creek Park, Takoma Park, Maryland.

 These two are Creeping Buttercup, Ranunculus repens.

 Here is Garlic Mustard, Alliaria petiolata.

 These two are called Spring Beauty, Claytonia virginica.  Unfortunately you can't see the delicate dark pink striations in the petals...

 This lovely flower is called Star-of-Bethlehem, Ornithogalum umbellatum.

Finally, there is Wild Angelica, Angelica sylvestris.