Viewing post #218950 by Patti1957

Horntoad said:
USDA shows 237 species of Rubus ( blackberries ) and I only counted 11 that were listed as introduce, the rest are native.
http://plants.usda.gov/java/pr...

Here in southern Oregon we have the Himalayan Blackberry (Rubus armeniacus) It aggressively displaces native plant species and many of our native blackberries are disappearing. http://www.oregon.gov/ODA/PLAN...