In the RPS 2014 we have:
Mammillaria bertholdii Linzen, Mitteilungsbl. Arbeitskreises Mammillarienfr.38(2): 125126, ills. (pp. 124-127), 2014. Typus: Berthold 13/298 (IBUG).
Mammillaria columbiana ssp. ruestii (Quehl) Lodé, Cact.-Avent. Int. 104: 37, 2014. Basionym: Mammillaria ruestii.[First published invalidly (ICN Art. 41.5) l.c. 100: 30, 2013 (cf. RPS 64).]
Mammillaria crucigera ssp. grandinosa (Linzen & al.) Rogozinski & Plein, Mitteilungsbl. Arbeitskreises Mammillarienfr.38(3): 192, ills. (pp. 188-191), 2014. Basionym: Mammillaria crucigera var. grandinosa.
Mammillaria hermosana Linzen & al., Mitteilungsbl. Arbeitskreises Mammillarienfr. 38(1): 5-6, ills. (pp. 2-9), 2014. Typus: Anonymus s.n. (UAT 22255).
Mammillaria huntiana García-Morales & al., J. Mammillaria Soc. 54(2): 44-45, ills. (pp. 43-50), 2014. Typus: García-Morales 755 (ITCV,CFNL, Herb. G. B. Hinton).
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