$modus 0: smartphone
$modus 1: smartphone
Crataegus arnoldiana
Crataegus arnoldiana Sarg. [Accepted]
Rosaceae Rosoideae Crataegeae
2 284135 Crataegus arnoldiana Sarg.
C.S. Sargent, Silva, vol. 13 : t. 668 (1898) [C.E. Faxon]
2 284135 Crataegus arnoldiana Sarg.
Addisonia, vol. 17 : t. 561 (1932) [M.E. Eaton]