Leptolepia is a genus of ferns in the family Dennstaedtiaceae described as a genus in 1892.
Leptolepia contains only one accepted species, Leptolepia novae-zelandiae, native to New Zealand.
Leptolepia maxima <small>(E. Fourn.) C. Chr.,</small> syn of Oenotrichia maxima <small>(E.Fourn.) Copel.</small>
Leptolepia novae-zelandiae is commonly known as lace fern. The fronds of the lace fern are widely spaced, intricate and have a similar texture to lace. Lace fern can grow up to 0.75 metres high and a width of 1.5 metres.