Project 2423: T. A. Dickinson, B. X. Yan, S. Han, M. Zarrei. 2021. Niche Shifts, Hybridization, Polyploidy and Geographic Parthenogenesis in Western North American Hawthorns (Crataegus subg. Sanguineae, Rosaceae). Agronomy. 11 (11):2133.
Viewing Crataegus erythropoda Ashe (tetraploid) containing 10 media.

Crataegus subg. Sanguineae Ufimov sect. Salignae T.A.Dickinson & Ufimov ser. Cerrones J.B. Phipps; Crataegus erythropoda individuals shown to be tetraploid by flow cytometry (Talent & Dickinson 2005).

Folio Media

M425207
Crataegus erythropoda Ashe
whole leaf
M425208
Crataegus erythropoda Ashe
whole leaf
M425209
Crataegus erythropoda Ashe
whole leaf
M425210
Crataegus erythropoda Ashe
whole leaf
M425211
Crataegus erythropoda Ashe
whole leaf
M425212
Crataegus erythropoda Ashe
whole leaf
M425213
Crataegus erythropoda Ashe
whole leaf
M425214
Crataegus erythropoda Ashe
whole leaf
M425215
Crataegus erythropoda Ashe
whole leaf
M425357
Crataegus erythropoda Ashe
leaf close-up (skeleton)