- Barnyard Grass
- Birdsfoot Trefoil
- Bluets / Quaker Ladies
- Carpetweed
- Hop Clover
- White Clover
- Cinquefoil
- Creeping Yellow Cress
- Cudweed
- Dodder
- Dwarf St Johnswort
- Fireweed
- Wild Bean / Groundnut (Photo courtesy of David Fuller)
- Hair-cap Moss
- Hairy Williowweed
- Hawkweed
- Equisetum / Mare’s Tail (Central Maine: 6/1/2007)
- Smartweed / Ladysthumb
- Maple Sapling
- Meadowsweet (in bloom)
- Goldenrod
- Prostrate Spurge
- Tufted Vetch
- Sandspurry
- Small-flowered White Aster
- Yellow Loosestrife (Washington County, Maine: July 14th, 2003)
- Water Purslane
- Small-flowered White Violet
- Yellow Wood Sorrel