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                                    Penstemon cyananthus var. subglaber (A.Gray) N.H.Holmgren
                                 | 
                                T. G. Call 401 | 
                                s.d. | 
                                United States of America | 
                                Wyoming | 
                                Lincoln Co. North Fork of… | 
                                — | 
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                                    Penstemon cyananthus var. subglaber (A.Gray) N.H.Holmgren
                                 | 
                                T. G. Call 402 | 
                                30 Jun 1950 | 
                                United States of America | 
                                Wyoming | 
                                Lincoln Co. 1 mile above… | 
                                — | 
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                                    Penstemon cyananthus var. subglaber (A.Gray) N.H.Holmgren
                                 | 
                                T. G. Call 405 | 
                                30 Jun 1950 | 
                                United States of America | 
                                Wyoming | 
                                Lincoln Co. U.S. 89, 3… | 
                                — | 
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                                    Penstemon cyananthus var. subglaber (A.Gray) N.H.Holmgren
                                 | 
                                T. G. Call 406 | 
                                01 Jul 1950 | 
                                United States of America | 
                                Wyoming | 
                                Lincoln Co. Greys River road,… | 
                                — | 
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                                    Penstemon cyananthus var. subglaber (A.Gray) N.H.Holmgren
                                 | 
                                T. G. Call 416 | 
                                02 Jul 1950 | 
                                United States of America | 
                                Idaho | 
                                Fremont Co. U.S. 191, 3… | 
                                — | 
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                                    Penstemon cyananthus var. subglaber (A.Gray) N.H.Holmgren
                                 | 
                                T. L. Jensen 624 | 
                                18 Jun 1962 | 
                                United States of America | 
                                Utah | 
                                Box Elder Co. Slopes east… | 
                                — | 
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                                    Penstemon cyananthus var. subglaber (A.Gray) N.H.Holmgren
                                 | 
                                W. P. Cottam 4564 | 
                                08 Jul 1929 | 
                                United States of America | 
                                Utah | 
                                Tooele Co. Rosebud Creek | 
                                — | 
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