Lygodium japonicum	Lygodium microphyllum
leaflets usually lobed and with some hairs on lower surface, fertile and sterile segments somewhat different in shape, ultimate leaflets not articulate	leaflets usually without lobes and without hairs on lower surface, fertile and sterile segments similar in shape, ultimate leaflets articulate
margins sterile segments acutely biserrate	margins sterile segments minutely crenulate-serrulate
Photo's L. microphyllum: 1: M. Fagg www.anbg.gov.au; 2: B.T. Wursten © Botanic Garden Meise Version April 2021