1.
Coursetia (Leguminosae) from Eastern Brazil: Nuclear Ribosomal and Chloroplast DNA Sequence Analysis Reveal the Monophyly of Three Caatinga-Inhabiting Species
by Queiroz, Luciano Paganucci de
Systematic botany, 2011, Vol.36 (1), p.69-79

2.
Spirotheca elegans (Malvaceae: Bombacoideae), a New Species from Bahia, Brazil
by Carvalho-Sobrinho, Jefferson Guedes de
Systematic botany, 2012, Vol.37 (4), p.978-982
