Lectotype : LT: Poa pratensis L.
LT designated by Nash, Ill. Fl. U.S. Canad., ed. 2, 1: 252 (1913), but
this ineffective as it was done under the American Code, See Melbourne
Code, Art. 10.5. voted example, *Ex. 7.
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Type discussion: Hitchcock, A. S. 1920. The genera of grasses of the United States. U.S.D.A. Bull. (1915-23) 772: 41.
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Lectotype designated by: Hitchcock, A. S. & M. L. Green. 1929. Standard species of Linnaean
genera of Phanerogamae (1753-1754). 120, by Hitchcock. In Nom. Prop. Brit. Bot. His Majesty's Stationery Office, London.
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Type discussion: Hitchcock, A. S. 1918. Generic types with special reference to the grasses of the United States. Amer. J. Bot. 5: 252.
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Lectotype designated by: Nash, G. V. 1913. Family 10. Gramineae Juss. 1: 252. In N.L. Britton & A. Brown III Fl. N. U.S. (ed. 2) New York Botanical Garden, New York.