Populus L.Sp. Pl. 2: 1034. 1753. (1 May 1753)Status:Accepted Name Rank:Genus Family: Salicaceae
Order: Malpighiales
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Lycium L."Spach, (M. M. & Galeotti Walp., Spach, and (M. M. & Galeotti Walp., Sp. Pl. 1: 191., 1753."Status:Accepted Name Rank:Genus Family: Solanaceae
Order: Solanales
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Nelsonia R. Br.Prodr. 480–481. 1810. (Apr 1810)Status:Accepted Name Rank:Genus Family: Acanthaceae
Order: Lamiales
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Crataegus L.Sp. Pl. 1: 475. 1753. (1 May 1753)Status:Accepted Name Rank:Genus Family: Rosaceae
Order: Rosales
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LespedezaStatus:Accepted Name Rank:Genus Family: Fabaceae
Order: Fabales
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Glandulicactus Backeb.Blätt. Kakteenf. 1938(6): [10, 22]. 1938.Status:Accepted Name Rank:Genus Family: Cactaceae
Order: Caryophyllales
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Neolloydia Britton & RoseBull. Torrey Bot. Club 49(8): 251–252. 1922.Status:Accepted Name Rank:Genus Family: Cactaceae
Order: Caryophyllales
| | |
Harrisia BrittonBull. Torrey Bot. Club 35(12): 561–566. 1908.Status:Accepted Name Rank:Genus Family: Cactaceae
Order: Caryophyllales
| | |
Pediocactus Britton & RoseIll. Fl. N. U.S. (ed. 2) 2: 569. 1913.Status:Accepted Name Rank:Genus Family: Cactaceae
Order: Caryophyllales
| | |
Pavetta L.Sp. Pl. 1: 110. 1753. (1 May 1753)Status:Accepted Name Rank:Genus Family: Rubiaceae
Order: Gentianales
| | |
Chamaeanthus Schltr. ex J.J. Sm.Orch. Java 552. 1905.Status:Accepted Name Rank:Genus Family: Orchidaceae
Order: Asparagales
| | |
Paraquilegia J.R. Drumm. & Hutch.Bull. Misc. Inform. Kew 1920: 154, 156. 1920.Status:Accepted Name Rank:Genus Family: Ranunculaceae
Order: Ranunculales
| | |
Hamatocactus Britton & RoseCactaceae 3: 104. 1922. (12 Oct 1922)Status:Accepted Name Rank:Genus Family: Cactaceae
Order: Caryophyllales
| | |
Epithelantha F.A.C. Weber ex Britton & RoseCactaceae 3: 92–93, f. 102. 1922.Status:Accepted Name Rank:Genus Family: Cactaceae
Order: Caryophyllales
| | |
Lophophora J.M. Coult.Contr. U.S. Natl. Herb. 3(2): 131–132. 1894.Status:Accepted Name Rank:Genus Family: Cactaceae
Order: Caryophyllales
| | |
Quercus L.Sp. Pl. 2: 994. 1753. (1 May 1753)Status:Accepted Name Rank:Genus Family: Fagaceae
Order: Fagales
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Arctophila (Rupr.) Rupr. ex AnderssonPl. Scand. Gram. x, 48. 1852.Status:Accepted Name Rank:Genus Family: Poaceae
Order: Poales
| | |
PsoralidiumStatus:Accepted Name Rank:Genus Family: Fabaceae
Order: Fabales
| | |
Ariocarpus Scheidw.Bull. Acad. Roy. Sci. Bruxelles 5(8): 491–492, f. 1–5. 1838.Status:Accepted Name Rank:Genus Family: Cactaceae
Order: Caryophyllales
| | |
Sclerocactus Britton & RoseCactaceae 3: 212. 1922. (12 Oct 1922)Status:Accepted Name Rank:Genus Family: Cactaceae
Order: Caryophyllales
| | |
Ancistrocactus (K. Schum.) Britton & RoseCactaceae 4: 3–4. 1923.Status:Accepted Name Rank:Genus Family: Cactaceae
Order: Caryophyllales
| | |
Astrophytum Lem.Cact. Gen. Sp. Nov. 3. 1839.Status:Accepted Name Rank:Genus Family: Cactaceae
Order: Caryophyllales
| | |
Lycopodium L.Sp. Pl. 2: 1100. 1753. (1 May 1753)Status:Accepted Name Rank:Genus Family: Lycopodiaceae
Order: Lycopodiales
|  | |
Cornus L.Sp. Pl. 1: 117. 1753. (1 May 1753)Status:Accepted Name Rank:Genus Family: Cornaceae
Order: Cornales
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