$modus 0:
$modus 1:
Crataegus rubribracteolata
Crataegus rubribracteolata J.B. Phipps & O’Kennon [Accepted]
Rosaceae Rosoideae Crataegeae
2 285224 Crataegus rubribracteolata J.B. Phipps & O'Kennon
J. Bot. Res. Inst. Texas, vol. 1(2): : p. 1072 (2007)