Dwarf Woollyheads, Woolly Heads: Psilocarphus brevissimus var. brevissimus (Synonym: Psilocarphus globiferus) -
Tall Woollyheads: Psilocarphus elatior (Synonym: Psilocarphus oregonus var. elatior) -
Oregon Woollyheads: Psilocarphus oregonus -
Slender Woollyheads: Psilocarphus tenellus (Synonym: Psilocarphus tenellus var. tenellus) -