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(Vol.12, 2009-12) A New Species of Roldana (Asteraceae) from Southern Oaxaca
Roldana uxordecora is described from Oaxaca, Mexico (Municipio de San Mateo Rı´o Hondo). The genus Roldana is common in the montane regions of the state of Oaxaca (22 species), and this addition to Roldana adds to a list ...
(Vol.13, 2010-12) New Taxon in Psacalium (Asteraceae: Senecioneae) From Oaxaca, Mexico
A new peltate-leaved taxon of Psacalium, Psacalium putlanum, is described and illustrated from southwestern Oaxaca, Mexico. It appears to be closely related to the widespread P. peltigerum. Additionally, the closely related ...
(Vol.17, 2014-12) A New Species Of Roldana (Asteraceae) From Huehuetenango, Guatemala
Roldana riparia is described from Huehuetenango, Guatemala (Municipio de Chiantla). The genus Roldana is abundant in montane forests of Guatemala (nine species) and the new species is endemic to the Sierra Cuchumatanes.