The conservation status of tussock grass paramo in EcuadorR.G.M. Hofstede, J. Sevink, Patricio Mena Vásconez et al.|UvA-DARE (University of Amsterdam)|2002Cited by 38
Provisional checklist for the lichens of ChiapasHarrie J. M. Sipman, Jan H. D. Wolf|Acta Botanica Mexicana|1998Cited by 29