Studies show that from 6% to 26% of therapists working with traumatized populations, and up to 50% of child welfare workers, are at high risk of secondary traumatic stress or the related conditions of PTSD and vicarious trauma.
Beach grass. Beach grass (genus Ammophila), also called marram grass, psamma, or sand reed, genus of two species of sand-binding plants in the grass family (Poaceae). American beach grass (Ammophila breviligulata) grows along the Atlantic coast and in the Great Lakes region of North America. European beach grass (A. arenaria) is native to temperate coasts in Europe, northern Africa, and western Asia and has been introduced in many places as a dune stabilizer.
The two types of Bermuda grass are common and hybrid. Common Bermuda grass is very aggressive and may overrun gardens and walkways, according to The Lawn Bible by David R. Mellor. Compared to hybrid varieties, common bermuda grass is medium maintenance and tolerates low mowing from 1 to 1 1/2 inches high.