Systematics of <em>Gratiola</em> (Plantaginaceae)
Gratiola (Plantaginaceae tribe Gratioleae) is a genus of ca. 33 wetland-adapted herbaceous species found mostly in temperate or tropical-montane regions of the Americas, Eurasia, and Australasia. The only worldwide taxonomic treatment of Gratiola was published more than 160 years ago and only a few...
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Trace: Tennessee Research and Creative Exchange
2008
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| Online Access: | http://trace.tennessee.edu/utk_graddiss/381 |