Populations making up the Poa secunda complex of South America are morphologically within the range of variation displayed by the group of western North American poas having only slightly compressed ...

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This guy is lovely!” ecologist Beth Leger exclaims, falling to her knees. A tiny, energetic woman in her mid-30s, Leger hovers, bee-like, over a teensy grass with blue-green blades. It is, she tells ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...