Erratics and Invasives

Glacial erratics, invasive species, and other erratic and invasive things.

• Apr. 28, 2012

  

  Cut down Ailanthus, Brooklyn

• Apr. 26, 2012

  

  Erratic #23, Brooklyn Botanic Garden:

  Boulder of Volcanic Breccia Triassic Diabase-Basalt Transported by the Continental Glacier During the Ice Age from Northern New Jersey

• Apr. 23, 2012

  

  Phragmites, Meadowlands

• Apr. 20, 2012

  

  Chicago

• Apr. 18, 2012

  

  Ailanthus along Gowanus Canal, Brooklyn