« Contributors », Rock Garden Quarterly, winter 2012–2013 (lire en ligne) :
« John Watson lives in Chile with his wife and working partner, Anita Flores (Ana R. Flores for formal publications). »
srgc.org.uk
(en) J.M. Watson, « Lest we forget. A new identity and status for a Viola of section Andinium W. Becker; named for an old and treasured friend and companion. Plus another… », International Rock Gardener, no 117, , p. 47– (lire en ligne)
