3: Wood sorrel in bloom. Tastes lemony. (Alley Pond Park (Woods), May 14, 2000)

16: Yellow wood sorrel. Common blue violet in upper right. (Prospect Park, May 22, 2011)

4: Wood sorrel (Prospect Park, May 27, 2000)

14: Wood sorrel. With violets and other things mixed in. (Central Park, May 30, 2005)

5: Wood sorrel (Central Park, Jun 10, 2000)

15: Wood sorrel. (Prospect Park, Jul 1, 2006)

6: Wood sorrel. (Central Park, Jul 2, 2000)

11: Wood sorrel. (Forest Park, Jul 4, 2001)

17: Wood sorrel. (Forest Park, Jul 4, 2011)

12: Wood sorrel. (Prospect Park, Jul 8, 2001)

7: Wood sorrel. Tastes like lemonade. Add to salads. (Prospect Park, Jul 9, 2000)

18: Wood sorrel. (Inwood Park, Jul 17, 2011)

8: Wood sorrel. Nice patch near Belvedere Castle. Note heart shaped leaves. (Central Park, Jul 29, 2000)

13: Wood sorrel. (Prospect Park, Jul 29, 2001)

9: Wood sorrel (Central Park, Aug 20, 2000)

10: Wood sorrel (Prospect Park, Sep 2, 2000)

1: Common Wood Sorrel. The heart shaped leaf distinguishes it from clover. (Prospect Park, Nov 13, 1999)

2: Wood Sorrel (Central Park, Nov 21, 1999)