Since the publication of the first edition of Grasses: Bromus to Paspalumin 1972, twenty-two additional taxa of grasses have been discovered in Illinois that are properly placed in this volume. In addition, nuÂmerous nomenclatural changes have occurred for plants previously discovered, and many distributional records have been added. New keys have been preÂpared for each genus where additional species from Illinois are known. For new species, full-page illustraÂtions are provided. This second edition updates the status of Illinois grasses. The book features 263 figÂures from the first edition plus 21 new figures for this edition by Paul W. Nelson.
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Genera of grasses included in this work are Aegilops, Agropyron, Agrostis, Aira, Alopecurus, Anthoxanthum, Avena, Beckmannia, Briza, Bromus, Calamagrostis, Cinna, Dactylis, Deschampsia, Elyhordeum, Elymus, Elytrigia, Festuca, Hierochloe, Holcus, Hordeum, Koeleria, Lolium, Milium, Paspalum, Pennisetum, Phalaris, Phleum, Poa, Puccinellia, Sclerochloa, Secale, Sphenopholis, Torreyochloa, TritiÂcum, and Vulpia.