Nomenclatural novelties and notes in Penstemon (Plantaginaceae)
نویسنده
چکیده
Seven nomenclatural novelties in Penstemon (Plantaginaceae) are proposed for taxa that will be included in the forthcoming treatment of the genus in the Flora of North America North of Mexico series. Three additional novelties are made for Mexican taxa outside the flora area. Penstemon xylus A. Nelson is determined to be the correct name for the species heretofore called P. tusharensis N. Holmgren.
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