Elaphoglossum nigrescens. A-D. Habit. E. Rhizome. F. Dissected marginal scales of lamina. G. Lamina abaxial surface. H. Lamina abaxial surface. (A from Maguire 33543, NY, Venezuela; B from Liesner 25826, NY, Venezuela; C from Tuomisto 7749, NY, Peru; D f
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