The pollen starting to appear on these looks like little yellow flowers.
Echinacea (also known as Rudbeckia) is a composite flower.
At first glance, a composite flower like the daisy looks simple, with petals forming rays around a colorful disk. Upon closer inspection, however, these flowers aren’t simple at all. The flower is actually made up of many flowers–inflorescences–masquerading as a single flower. Each “petal” is a flower, as is each bump on the disk.
In our area you see a lot of blackberries. Most are the Himalayan, a hybrid that escaped captivity, is very robust and has taken over the entire state. Occasionally, in little nooks and crannies you can find the older, native blackberries. It is smaller, more vine like and produces smaller, more flavorful berries. People who value them keep secret the locations of their favorite patches.