Plant 1: Common Fireweed (Chamerion angustifolium)
https://www.thinglink.com/scene/1869262184106688998
Plant 2: Common Yarrow (Achillea millefolium L.)
https://www.thinglink.com/scene/1869293773721174502
Plant 3: Foxtail Barley (Hordeum jubatum)
https://www.thinglink.com/scene/1869307783753499110
Plant 4: Narrow Leaf Hawksbeard (Crepis tectorum)
https://www.thinglink.com/scene/1869318261468824038
Nice job on documenting the various morphological features of these plants.