This dataset contains the digitized treatments in Plazi based on the original journal article Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J., Herrera Arrieta, Yolanda (2025): Reticulation within Sporobolus: recognition of two new sections, Acinifolii and Thellungia, and a new genus, Hyalolemma (Poaceae, Chloridoideae, Zoysieae, Sporobolinae). PhytoKeys 261: 99-123, DOI: 10.3897/phytokeys.261.157741
Abstract
We present a molecular DNA phylogeny utilizing four plastid regions (rps 16 – trnK spacer, rps 16 intron, rpl 32 – trnL spacer, ndhA intron) and the nuclear ribosomal internal transcribed spacer (ITS) region, investigating 123 species of subtribe Sporobolinae. We also aimed to assess the generic limits of Sporobolus, characterize possible subgeneric relationships among species in the genus, and identify hypothesized reticulation events. The core Bayesian tree, based on combined and congruent plastid and ITS regions, is well resolved, and 11 sections within a monophyletic Sporobolus are strongly supported. We describe a new genus, Hyalolemma, with two species and include a key; erect two new sections within Sporobolus, S. sect. Acinifolii and S. sect. Thellungia; and make three new combinations, Hyalolemma compactum, H. somalensis, and Sporobolus collinus. The names Eragrostis collina Trin. and Sporobolus compactus Clayton are lectotypified.
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