Hedrén, M.: New species and combinations in Acanthaceae from Somalia. — Willdenowia 36: 751–759. — ISSN 0511-9618; © 2006 BGBM Berlin-Dahlem. doi:10.3372/wi.36.36210 (available via http://dx.doi.org/)
Six species from Somalia, Barleria albomarginata, B. dentata, B. glaucobracteata, B. ilicifolia, Hypoestes cinerea and Justicia carnosa, are described as new to science, J. arenaria is proposed as a new name for J. ovalifolia var. psammophila and the new combination B. brevispina is proposed for B. linearifolia var. brevispina.
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Justicia sect. Harnieria (Acanthaceae) in tropical Africa. — Symb. Bot. Upsal. 29(1). Google Scholar