The first looks like Smilacina. How would I go about trying to identify these plants if all I have is the photo? What's the process for keying a plant if you don't know the name? Thanks.
>#2 has palmately compound leaves. It is a (non-west-coast-native) blackberry< http://www.cnr.vt.edu/DENDRO/DENDROLOGY/syllabus2/factsheet.cfm?ID=843