Penstemon davidsonii Greene var. davidsonii
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                                                    Filed AsScrophulariaceae 
 Penstemon davidsonii Greene var. davidsonii
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                                                    Collector(s)D. D. Keck 1310, 17 Aug 1927 
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                                                    LocationUnited States of America. California. Siskiyou Co. Horse Camp, on south side of Mount Shasta. Timberline here. 
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                                                    HabitatOn exposed rocky ledges. Frequent. 
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                                                    DescriptionFlowers blue with purplish cast. Flowers much smaller and less pure a blue than genuine P. davidsoni of Mount Conness. Phenology of specimen: Flower. 
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                                                    IdentifiersNY Barcode: 590160 Occurrence ID: 91c217a8-84ec-405d-9876-0a4b6b50de1a 
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                                                    Feedback
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                                                    KingdomPlantae 
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                                                    DivisionMagnoliophyta 
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                                                    OrderLamiales 
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                                                    FamilyPlantaginaceae 
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                                                    All DeterminationsPenstemon davidsonii Greene var. davidsonii det A. D. Every, Mar 1977 
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                                                    RegionNorth America 
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                                                    CountryUnited States of America 
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                                                    State/ProvinceCalifornia 
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                                                    County/MunicipioSiskiyou Co. 
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                                                    LocalityHorse Camp, on south side of Mount Shasta. Timberline here. 
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                                                    ElevationAlt. 2470 m. (8104 ft.) 
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                                                    Distribution
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Penstemon davidsonii Greene var. davidsonii