Asplenium coronatum (Aspleniaceae), a new fern species from the Brazilian Atlantic Forest Author Reis, Atiles 0000-0002-2278-9669 Universidade Federal do Rio de Janeiro, Museu Nacional, Programa de Pós-graduação em Ciências Biológicas (Botânica), Quinta da Boa Vista, CEP 20940 - 046, Rio de Janeiro, RJ, Brazil & reisatiles @ gmail. com; https: // orcid. org / 0000 - 0002 - 2278 - 9669 reisatiles@gmail.com Author Lino, Vanessa 0000-0002-3510-6580 Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Pacheco Leão 915, 22460 - 030, Rio de Janeiro, RJ, Brazil & https: // orcid. org / 0000 - 0002 - 3510 - 6580 Author Mynssen, Claudine Massi 0000-0002-1071-4707 Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Pacheco Leão 915, 22460 - 030, Rio de Janeiro, RJ, Brazil & https: // orcid. org / 0000 - 0002 - 1071 - 4707 Author Sylvestre, Lana Da Silva 0000-0002-0486-0898 Universidade Federal do Rio de Janeiro, Instituto de Biologia, Departamento de Botânica, Av. Carlos Chagas Filho 373, 21941 - 902, Rio de Janeiro, RJ, Brazil & https: // orcid. org / 0000 - 0002 - 0486 - 0898 text Phytotaxa 2022 2022-11-29 574 2 185 190 http://dx.doi.org/10.11646/phytotaxa.574.2.8 journal article 198277 10.11646/phytotaxa.574.2.8 5ba1ce39-89a2-40b9-a0a7-82d75fc516b5 1179-3163 7380912

TABLE 1. Morphological comparison of Asplenium coronatum, A. serratum, and A. stuebelianum.

Characters	A. coronatum	A. serratum	A. stuebelianum
Petiole
Petiole/lamina length proportion	<1/8	<1/8	1/9 to 1/2
Lamina
Shape	Elliptic-oblong to lanceolate	Lanceolate	Spathulate
Margin	Entire to slightly crenate	Serrulate or crenate	Dentate
Apex	Acute or acuminate-caudate, often bifid	Acuminate	Obtuse-acuminate
Buds	Present	Absent	Present
Veins
Angle	70°–75°	63°–75°	60°–65°
Scales
Size (mm)	9.7–21.5(28.5) × 0.9–2.3(3.2)	7.3–11(17.1) × 0.69–2.17	3.4–4.6 × 0.77–1
Shape	Linear-lanceolate to lanceolate	Linear-lanceolate	Lanceolate
Apex	Attenuate to caudate	Attenuate to caudate	Acute
Thickening	Regular	Irregular	Irregular