Sánchez-Ken, J.G. (2017)

Digitaria clarkei (Paniceae, Panicoideae, Poaceae) a new species with paniculate synflorescence and D. costaricensis a new record from Mexico

. Phytotaxa 321 (1): 125–138. https://doi.org/10.11646/phytotaxa.321.1.6