| 
                                    Catastoma luteola Lloyd
                                 | 
                                P. B. Kennedy  | 
                                Jul 1905 | 
                                United States of America | 
                                California | 
                                Lake Tahoe | 
                                type fragment | 
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                                    Ceanothus cordulatus Kellogg
                                 | 
                                P. B. Kennedy 1425 | 
                                05 Aug 1906 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Incline, Lake Tahoe | 
                                — | 
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                                    Centaurium exaltatum (Griseb.) W.Wight ex Piper
                                 | 
                                P. B. Kennedy 1465 | 
                                08 Aug 1906 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Incline road. | 
                                — | 
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                                    Centrostegia thurberi A.Gray ex Benth. var. thurberi
                                 | 
                                P. B. Kennedy 83 | 
                                July 1906 | 
                                United States of America | 
                                Nevada | 
                                Lincoln Co. Mormon Mountains | 
                                — | 
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                                    Cerastium fontanum Baumg.
                                 | 
                                P. B. Kennedy 1443 | 
                                05 Aug 1906 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Oneline | 
                                — | 
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                                | 
                                    Chaetadelpha wheeleri A.Gray ex S.Watson
                                 | 
                                P. B. Kennedy 1704 | 
                                Oct 1907 | 
                                United States of America | 
                                Nevada | 
                                Carson Sink Region. | 
                                — | 
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                                    Chamaesyce albomarginata (Torr. & A.Gray) Small
                                 | 
                                P. B. Kennedy 1089 | 
                                12 May 1905 | 
                                United States of America | 
                                Nevada | 
                                Lincoln Co. Moapa | 
                                — | 
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                                    Chamaesyce parishii (Greene) Millsp.
                                 | 
                                P. B. Kennedy 77 | 
                                16 May 1906 | 
                                United States of America | 
                                Nevada | 
                                Lincoln Co. Muddy Valley | 
                                — | 
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                                    Chamaesyce serpyllifolia (Pers.) Small
                                 | 
                                P. B. Kennedy 1945 | 
                                12 Sep 1912 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Spanish Springs Valley | 
                                — | 
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                                | 
                                    Chamerion angustifolium (L.) Holub
                                 | 
                                P. B. Kennedy s.n. | 
                                02 Aug 1912 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Hunter Creek | 
                                — | 
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                                | 
                                    Chilopsis linearis subsp. arcuata (Fosberg) Henrickson
                                 | 
                                P. B. Kennedy 138 | 
                                Jul 1906 | 
                                United States of America | 
                                Nevada | 
                                Lincoln Co. Mormon Mountains | 
                                — | 
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                                | 
                                    Chorizanthe watsonii Torr. & A.Gray
                                 | 
                                P. B. Kennedy 1308 | 
                                14 Jun 1906 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Truckee Pass | 
                                — | 
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                                    Chrysolepis sempervirens (Kellogg) Hjelmq.
                                 | 
                                P. B. Kennedy 1463 | 
                                08 Aug 1906 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Incline Rd. | 
                                — | 
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                                | 
                                    Chrysothamnus viscidiflorus subsp. puberulus (D.C. Eaton) H.M.Hall & Clem.
                                 | 
                                P. B. Kennedy 1690 | 
                                Oct. 1907 | 
                                United States of America | 
                                Nevada | 
                                Carson Sink Region. | 
                                — | 
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                                | 
                                    Chylismia venosa A.Nelson & P.B.Kenn.
                                 | 
                                P. B. Kennedy 64 | 
                                16 May 1906 | 
                                United States of America | 
                                Nevada | 
                                Lincoln Co. Muddy Valley. | 
                                isotype | 
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                                | 
                                    Chylismia venosa A.Nelson & P.B.Kenn.
                                 | 
                                P. B. Kennedy 64 | 
                                16 May 1906 | 
                                United States of America | 
                                Nevada | 
                                Lincoln Co. Muddy Valley. | 
                                isotype | 
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                                | 
                                    Claytonia exigua Torr. & A.Gray subsp. exigua
                                 | 
                                P. B. Kennedy 1029 | 
                                19 May 1905 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Pyramid Lake | 
                                — | 
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                                    Claytonia perfoliata subsp. intermontana J.M.Mill. & K.L.Chambers
                                 | 
                                P. B. Kennedy 1030 | 
                                19 May 1905 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Pyramid Lake | 
                                — | 
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                                | 
                                    Cleomella hillmanii A.Nelson
                                 | 
                                P. B. Kennedy 1038 | 
                                19 May 1905 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Pyramid Lake. | 
                                — | 
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                                | 
                                    Collomia grandiflora Douglas ex Lindl.
                                 | 
                                P. B. Kennedy 1622 | 
                                20 Jun 1907 - 25 Jun 1907 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Dinsmore camp, Hunter… | 
                                — | 
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                                | 
                                    Collomia grandiflora Douglas ex Lindl.
                                 | 
                                P. B. Kennedy 1424 | 
                                05 Aug 1906 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Lake Tahoe. Incline. | 
                                — | 
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                                | 
                                    Collomia linearis Nutt.
                                 | 
                                P. B. Kennedy 1284 | 
                                01 Aug 1906 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Galena Creek | 
                                — | 
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                                | 
                                    Collomia tinctoria Kellogg
                                 | 
                                P. B. Kennedy 1893 | 
                                08 Aug 1912 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Hunter Creek | 
                                — | 
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                                | 
                                    Comandra umbellata var. pallida (A.DC.) M.E.Jones
                                 | 
                                P. B. Kennedy 100 | 
                                Jul 1906 | 
                                United States of America | 
                                Nevada | 
                                Lincoln Co. Mormon Mountains | 
                                — | 
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                                | 
                                    Cordylanthus maritimus subsp. canescens (A.Gray) T.I.Chuang & Heckard
                                 | 
                                P. B. Kennedy 1489 | 
                                09 Aug 1906 | 
                                United States of America | 
                                Nevada | 
                                Washoe Co. Steamboat Springs | 
                                — | 
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