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AGROSTIS LACUNA-VERNALIS (POOIDEAE: POEAE: AGROSTIDINAE), A NEW SPECIES FROM CALIFORNIA

Paul M. Peterson, Robert J. Soreng, David Styer, Dylan Neubauer, Randall Morgan and Vern Yadon
Journal of the Botanical Research Institute of Texas
Vol. 5, No. 2 (7 DECEMBER 2011), pp. 421-426
Stable URL: http://www.jstor.org/stable/41972285
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
AGROSTIS LACUNA-VERNALIS (POOIDEAE: POEAE: AGROSTIDINAE), A NEW SPECIES FROM CALIFORNIA
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Abstract

Agrostis lacuna-vernalis P.M. Peterson & Soreng, sp. nov., is described and illustrated. The new species occurs within or on the margins of vernal pools in Monterey County, California and is known only from the former Fort Ord Army Military Base. The new species is morphologically similar to A. blasdalei but differs by having an annual habit, shorter glumes (1.5-2.4 mm versus 1.8-4 mm), shorter lemmas (1.1-1.5 mm versus 1.5-3 mm), and longer paleas (0.4-0.7 mm versus ± 0.3 mm). Se describe e illustra una nueva especie, Agrostis lacuna-vernalis P.M. Peterson & Soreng, sp. nov. La nueva especie ocurre dentro o en de los márgenes de piscinas vernales en el condado de Monterey, California y se sabe solamente del anterior la Fort Ord Army Military Base. La nueva especie es morfológicamente similar al A. blasdalei pero diferencia teniendo un hábito anual, los glumas más cortos (1.5-2.4 mm contra 1.8-4 mm), los lemas más cortos (1.1-1.5 mm contra 1.5-3 mm) y los paleas más largos (0.4-0.7 mm contra ± 0.3 mm).

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