What is that "snow" drifting through the air? It's the fluffy seeds of black cottonwood.
As a rule-of-thumb, most seed cones (female cones) tend to grow in the upper portions of trees. Why is this?
What are those "mousetails" sticking out from Douglas-fir cones? They are called "bracts." Learn about bracts here.
What are seed cones? What are pollen cones? Are they different? Learn about cones here.