Karyological studies of Iranian Allium L. (Amaryllidaceae) species with focus on sect. Acanthoprason. 1. Mitotic chromosomes Alireza DolatyariShahryar Saeidi MehrvarzReinhard M. Fritsch Original Article 03 February 2018 Pages: 583 - 606
Past climatic fluctuations are associated with morphological differentiation in the cloud forest endemic tree Ocotea psychotrioides (Lauraceae) Andrés Ernesto Ortiz-RodríguezSantiago Ramírez-BarahonaFrancisco Lorea-Hernández Original Article 08 February 2018 Pages: 607 - 617
Genome-wide nucleotide diversity and associations with geography, ploidy level and glucosinolate profiles in Aethionema arabicum (Brassicaceae) Setareh MohammadinWei WangM. Eric Schranz Original Article Open access 09 February 2018 Pages: 619 - 630
A systematic revision of the Encyclia adenocarpos complex (Orchidaceae: Laeliinae) from Megamexico, including two new species from Mexico Germán CarnevaliWilliam Cetzal-IxGustavo A. Romero-González Original Article 17 March 2018 Pages: 631 - 663
Seed micromorphology of Orchidaceae in the Gulf of Guinea (West Tropical Africa) Roberto GamarraEmma OrtúñezÁngela Merencio Original Article 08 February 2018 Pages: 665 - 677
A multivariate morphometric delimitation of species boundaries in the South American genus Nicoraepoa (Poaceae: Pooideae: Poeae) Victor L. FinotRobert J. SorengRomina G. Muñoz Original Article 27 March 2018 Pages: 679 - 697
New insights into variation, evolution and taxonomy of fairy lanterns (Thismia, Thismiaceae) with four new species from Borneo Michal SochorMichal HronešMartin Dančák Original Article 16 March 2018 Pages: 699 - 721
Cork-warts on leaves of Lauraceae: confirming a suspicion Priscila P. VazPaulo R. de SouzaRosani do Carmo de O. Arruda Short Communication 22 March 2018 Pages: 723 - 729