$modus 0:
$modus 1:
Bouteloua americana
Bouteloua americana (L.) Scribn. [Accepted]
Gramineae Chloridoideae Cynodonteae Boutelouinae
6 152732 Bouteloua americana (L.) Scribn. [125 86679 Aristida americana L.]
O.P. Swartz, Observ. Bot. (Swartz): t. 2 (1791) [O. Swartz]
86679
Bouteloua americana (L.) Scribn.
A. Stahl, Estud. Fl. Puerto-Rico: (1883-1888) [A. Stahl]