Ah, fall flowers, dogs frolicking in the dog fennel, and mysterious molds, all on a morning walk.
And chiggers. Most likely Trombicula alfreddugesi, aka Eutrombicula alfreddugesi, in the genus Trombicula, family Trombiculidae.
Whichever species of arachnids, cousins of ticks and spiders, these ones will make you itch for days. They can raise red welts and send you to the doctor seeking steroids. You don’t want to see pictures of that.
Common sneezeweed, Helenium autumnale