Black Spruce
- June 7, 2011
- Alaska Interior
Aspen
- October 5, 2008
- Sandoval County, New Mexico
Prickly Pear, Pawnee Grasslands
- June 3, 2013
- Weld County, Colorado
Prickly Pear, Pawnee Grasslands
- June 3, 2013
- Weld County, Colorado
Ki (Cabbage Palm, Cordyline fruticosa)
- October 20, 2008
- Hawai'i
Kupukupu Fern
- October 23, 2008
- Hawai'i
Lichen
- April 7, 2007
- Sandoval County, New Mexico
Lichen
- April 7, 2007
- Sandoval County, New Mexico
Lichen
- April 7, 2007
- Sandoval County, New Mexico
Licorice Fern
- January 3, 2008
- Columbia County, Oregon
Moss
- October 24, 2009
- Montgomery County, Maryland
Moss
- October 24, 2009
- Montgomery County, Maryland
Moss
- April 7, 2007
- Sandoval County, New Mexico
Moss
- April 7, 2007
- Sandoval County, New Mexico
Ponderosa Pine at Sunset
- June 29, 2010
- Lake County, Oregon
Uluhe Fiddlehead
- October 20, 2008
- Hawai'i
Virginia Creeper
- September 30, 2012
- Tucker County, West Virginia