4227586 968537 Spiranthes torta (Thunb.) Garay & H.R.Sweet [125 719380 Ophrys torta Thunb.] C. Plumier, J. Burmann, Pl. Amer.: t. 183, fig. 1 (1755-1760)
 
1903325 682779 Muhlenbergia quadridentata (Kunth) Trin. [0] Grasses of the Southwest (= Illustrations of North American grasses vol. 1) , vol. 1(1): : t. 26 ()
 
2014035 682779 Muhlenbergia quadridentata (Kunth) Trin. [0] G. Vasey, C. Richardson, Agric. Grass. U.S.: p. 62, t. 48 (1884) [Marx]
 
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