A Askellia pygmaea habit, Gillespie et al. 10087 B Erigeron compositus habit, Gillespie et al. 9832 C Erigeron eriocephalus habit, Gillespie et al. 10189 D Erigeron eriocephalus inflorescences, Gillespie et al. 10189 E Erigeron humilis habit, Gillespie et al. 8087 F Erigeron humilis inflorescence, Gillespie et al. 8087. Photos A, C–F by R.D. Bull and B by L.J. Gillespie.