L. A., I. S., e J. H. G. 2004. “COMPARATIVE MORPHOLOGY AND ANATOMY OF THE LEAF AND STEM OF PEPEROMIA DAHLSTEDTII C.DC., OTTONIA MARTIANA MIQ. AND PIPER DIOSPYRIFOLIUM KUNTH (PIPERACEAE)”. Gayana Botánica 61 (1):6-17. https://revistas.udec.cl/index.php/gayana_botanica/article/view/4473.