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Richardia tricocca
Richardia tricocca (Torrey & A. Gray) Standl. [Accepted]
Rubiaceae Rubioideae Spermacoceae
[80 343697 Diodia tricocca Torrey & A. Gray]
M. Sessé, V. Cervantes, M. Mociño, Drawings from the Spanish Royal Expedition to New Spain (1787–1803) (to be published in the Flora Mexicana, Real Jardin Botanico, Madrid, Spain): t. 41][Real Jardin Botanico no. 41] ()
12 882402 Richardia tricocca (Torrey & A. Gray) Standl. [80 965472 Spermacoce tetracocca M.Martens & Galeotti]
W.B. Hemsley, Biol. Cent.-Amer., Bot., vol. 5 : t. 40 (1879) [W.H. Fitch]