June 26, 2012: Invasive Species Program on 6/28

Thistle seed heads harvested on Friends of AHHP thistle patrol, 6/14/12 (Dave Brotherson)

The Friends of AHHP Interpretive Program on invasive species (originally scheduled for May 31st)will be held on Thursday, June 28, at 5:30pm. Meet at the shelter on the north side of the park.

What is an "invasive" species? What is a "native" species? What is a naturalized species?

Here is a list of species we will see and identify. Can you put them into the above three categories?

Eastern red cedar
birdsfoot trefoil
crown vetch
black willow
Siberian elm
mulberry
Ring-necked Pheasant
Red-winged Blackbird
Common Grackle
cottonwood
honeysuckle
smooth brome
yellow sweet clover
reed canary grass
cattail

Erv Klaas