340020 M. Sessé, M. Mociño, Draw. Roy. Exped. New Spain: [Hunt instutute, Turner collection no. 1025] (1787-1803)
 
2751911 81128 Arcytophyllum lavarum Schumann Ann. Missouri Bot. Gard., vol. 67 : p. 39, fig. 8 (1980) [R.J. Bazan]
 
1518972 81132 Arcytophyllum muticum (Wedd.) Standl. [80 498112 Hedyotis mutica Wedd.] J.A. Steyermark, Fl. Venez., vol. 9(1): (Rubiaceae): p. 414, t. 67 (1974)
 
1518992 81133 Arcytophyllum nitidum (Kunth) Schltdl. [80 498138 Hedyotis nitida Kunth] J.A. Steyermark, Fl. Venez., vol. 9(1): (Rubiaceae): p. 423, t. 69 (1974)
 
1518982 81153 Arcytophyllum venezuelanum Steyerm. J.A. Steyermark, Fl. Venez., vol. 9(1): (Rubiaceae): p. 416, t. 68 (1974)
 
36315635 863279 Rachicallis americana (Jacq.) Hitchc. [0] W. Fawcett, A.B. Rendle, Fl. Jamaica, vol. 7 : p. 30, fig. 8 (1936)
 
15617335 863279 Rachicallis americana (Jacq.) Hitchc. [80 497545 Hedyotis americana Jacq.] J. Zorn, N.J.F. von Jacquin, Dreyhund. Amer. Gew., vol. 1 : t. 14 (1785-1786)
 
43291135 863279 Rachicallis americana (Jacq.) Hitchc. [80 497545 Hedyotis americana Jacq.] C. Plumier, Mss., vol. 4 (Botanicon Americanum seu historia plantarum Americanis insulis nascentium): t. 96, fig. 1 (1689-1697) [C. Plumier]
 
20511235 863279 Rachicallis americana (Jacq.) Hitchc. [80 497545 Hedyotis americana Jacq.] N.J. von Jacquin, Select. Stirp. Amer. Hist., ed. 1780-1781: p. 15, t. 18 (1780-1781) [N.J. Jacquin]
 
21261535 863279 Rachicallis americana (Jacq.) Hitchc. [80 497545 Hedyotis americana Jacq.] N.J. von Jacquin, Select. Stirp. Amer. Hist., ed. 1780-1781 [BNC]: p. 15, t. 18 (1839)
 
42305835 863279 Rachicallis americana (Jacq.) Hitchc. [80 497545 Hedyotis americana Jacq.] C. Plumier, J. Burmann, Pl. Amer.: t. 213, fig. 2 (1755-1760)
 
1204425 81149 Arcytophyllum thymifolium (Ruiz & Pavon) Standl. [116 498450 Hedyotis thymifolia Ruiz & Pavon] H. Ruíz López, J.A. Pavon, Fl. Peruv., vol. 1 (Plates 1-152): p. 56, t. 88, fig. a (1798) [J. Brunette]
 
1870095 81149 Arcytophyllum thymifolium (Ruiz & Pavon) Standl. [116 498450 Hedyotis thymifolia Ruiz & Pavon] H. Ruíz López, J.A. Pavon, Fl. Peruv., vol. 1(coloured version): (Plates 1-152): p. 56, t. 88, fig. a (1798)
 
2807225 81149 Arcytophyllum thymifolium (Ruiz & Pavon) Standl. [116 498450 Hedyotis thymifolia Ruiz & Pavon] H. Ruiz, J. Pavón, Draw. Roy. Bot. Exped. Viceroy. Peru: t. 193 [88], fig. a (1777) [J. Rubio]
 
2460516 81121 Arcytophyllum ericoides (Willd. ex Roemer & Schultes) Standl. [125 497823 Hedyotis ericoides Willd. ex Roemer & Schultes] M. Barnas-Pomeroy, C.F.J. Barnas, Wildflowers and landscapes of Ecuador - The way we knew it fasicle App., : t. 74 (2014) [M. Barnas-Pomeroy]