Asplenium L.
Fronds once or more pinnate
Fronds 1-pinnate
Apices of the pinnae acute to broadly rounded
Apex of the frond attenuated, filiform and devoid of pinnae, sometimes proliferous at the tip. Stipes prostrate, flaccid, dark-coloured at the base only. Middle pinnae flabellate, rhomboid-cuneate or orbicular-reniform. Lamina membranous to subcoriaceous, flaccid, straggling; the margin not reinforced. Plants c. 10–75 cm high. Widespread. RF and open forests. On rocks or tree trunks. Necklace Fern Asplenium flabellifolium
Apex of the frond never finely attenuated nor filiform nor proliferous at the tip. Stipes erect, rigid. Middle pinnae obliquely cultrate to very broadly oblong or very broadly ovate or obliquely narrowly lanceolate to lanceolate or a few of the basal pinnae rounded