|Rhizome slender, wide-creeping; some sori elongate
|Rhizome erect, or if creeping thick with fronds near together; sori not elongate.
|Pinnae to c. 6 cm long, nearly all adnate to rachis, lobed not more than 4 to costa
|Pinnae much longer, mostly not adnate to rachis and with adnate pinnules.
|Basal basiscopic pinnules conspicuously longer than next.
|Basal basiscopic pinnules not conspicuously longer than next.
|Copious short capitate hairs present on lower surface of pinna-rachis and costae of pinnules
|All hairs on lower surfaces acicular
|Pinnules on largest pinnae almost free, lobed almost to costa.
|Pinnules on largest pinnae all broadly adnate to pinna-rachis, lobed not more than half-way to costa
|Lower surface of costae hairy; lobes of largest pinnules lobed almost to costule
|Lower surface of costae glabrous; lobes of largest pinnules almost entire.