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Cynoglossum virginianum
Cynoglossum virginianum L. [Accepted]
Boraginaceae Boraginioidae Cynoglosseae
2 307325 Cynoglossum virginianum L.
H.G.A. Engler, Pflanzenr., vol. 252(b): [Heft 78], (Borraginaceae - Borraginoideae - Cynoglosseae): p. 132, fig. 17 (1921)