Penstemon haydenii

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31	PDF Document Add to Reading List Source URL: plants.usda.gov Language: English - Date: 2011-08-15 10:40:59 Penstemon haydenii Penstemon procerus Plantaginaceae Penstemon Flora of the United States
32	PDF Document Add to Reading List Source URL: plants.usda.gov Language: English - Date: 2012-01-19 16:06:40 Penstemon haydenii Penstemon heterophyllus Plantaginaceae Penstemon Flora of the United States