$modus 0: smartphone
$modus 1: smartphone
Mammillaria flavescens
Mammillaria flavescens (DC.) Pfeiff. [Accepted]
Cactaceae Cactoideae Cacteae
xx 638983 Mammillaria flavescens (DC.) Pfeiff. [80 639407 Mammillaria nivosa Link ex Pfeiff.]
K.M. Schumann, M Gürke, F. Vaupel, Bl. Kakt., vol. 3 : t. 165 (1910) [J. Pohl]