Didymium mexicanum G. Moreno, Lizarraga & Illana.

Didymium mexicanum G. Moreno, Lizárraga & Illana. [0, 13] Fig. 29 Loc 2: On Prg bark, JRM252, 5 January 2009, (mc, pH = 7.2). Loc 5: On Agl leaves, JRM116, 6 April 2009, (mc, pH = 7.9), JRM153, 24 December 2008, (mc, pH = 7.9), JRM188, 25 August 2008, (mc, pH = 7.6). Loc 7: On Eur stem, JRM231, 19 September 2008, (mc, pH = 7.7), JRM233, 19 September 2008, (mc, pH = 7.0). Loc 11: On Y sp. leaves, JRM109, 28 November 2008, (mc, pH = 7.6), JRM177, 13 January 2009, (mc, pH = 8.4). Loc 13: On Agl leaves, JRM114, 14 January 2009, (mc, pH = 8.1), JRM185, 5 February 2009, (mc, pH = 8.1). Loc 17: On Ags leaves, JRM110, 14 September 2008, (mc, pH = 8.2), JRM234, 6 May 2009, (mc, pH = 8.2). This species was only obtained in moist chamber culture. According to Novozhilov et al. (2003), D. mexicanum was the most abundant species of the genus in moist chamber culture, as well as the most abundant in Colorado Plateau arid zones.