Resumen

GARCIA-ULLOA, JOHN ALEJANDRO; LASTRA, CAMILO; SALAS, CÉSAR  y  MEDINA MERCHAN, MÓNICA. Studies on Colombian grasses (Poaceae): Twenty chorological novelties. Caldasia [online]. 2005, vol.27, n.1, pp.131-145. ISSN 0366-5232.

As result of recent studies of Colombian grasses, 20 new records of Poaceae are given: Agrostis mertensii, Agrostis perennans, Agrostis stolonifera, Agrostis subrepens, Agrostis tolucensis, Aristida schiedeana, Arundo donax, Bouteloua aristidoides, Bouteloua simplex, Cenchrus ciliaris, Cortaderia selloana, Cynodon dactylon, Cynodon nlemfuensis, Heteropogon contortus, Microchloa kunthii, Paspalidium geminatum, Pharus parvifolius, Tragus berteronianus, Urochloa distachya, and Zoysia matrella. The geographical distribution, ecological preferences, vernacular names, uses, and the morphological relationships are presented under each species. Agrostis araucana (= Agrostis magellanica), Agrostis foliosa (= Agrostis pallens), Agrostis haenkeana (= Polypogon exasperatus), and Agrostis turrialbae are excluded from Colombian flora.

Palabras clave : Agrostis; Aristida; Arundo; Bouteloua; Cenchrus; Cortaderia; Cynodon; Heteropogon; Microchloa; Paspalidium; Pharus; Tragus; Urochloa; Zoysia.

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