Lugar de publicación
Contr. Gray Herb. 70: 37 (1924) Contr. Gray Herb. 70: 37 (1924)
Referencias
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Johnston (1924b)
Johnston, I.M. 1924. Studies in the Boraginaceae. II. 1. Asynopsis of the American ntive and immigrant Borages of the subfamily Boraginoideae; 2. . A tentative classification of the South American Coldenias. Contributionfrom the Gray Herbarium of Havard University 70:3-61.