Blechnum melanocaulon
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Notes
1. Analysis of Brackenridge’s descriptions of Lomaria melanocaulon and L. coriacea indicates no significant differences between the two. Lomaria melanocaulon is regarded as the older epithet.
2. Blechnum melanocaulon is related to B. colensoi (Hook.f.) N.A.Wakef. of New Zealand, a much more robust plant with fewer pinna lobes and with deeply pigmented stipes. Blechnum melanocaulon may also be confused with B. patersonii, especially B. patersonii subsp. queenslandicum from NE Australia. The latter however, is winged rather than auriculate at the base of the lamina (although sometimes the wings break up into 1 or 2 auricles at the very base).
2. Blechnum melanocaulon is related to B. colensoi (Hook.f.) N.A.Wakef. of New Zealand, a much more robust plant with fewer pinna lobes and with deeply pigmented stipes. Blechnum melanocaulon may also be confused with B. patersonii, especially B. patersonii subsp. queenslandicum from NE Australia. The latter however, is winged rather than auriculate at the base of the lamina (although sometimes the wings break up into 1 or 2 auricles at the very base).