Synonyms: Blechnum acuminatum; Blechnum campylotis; Blechnum cartilagineum; Blechnum ciliatum; Blechnum cillatum; Blechnum cognatum; Blechnum cunninghamii; Blechnum drepanophyllum; Blechnum extensum; Blechnum falcatum (homotypic); Blechnum flaccisquama; Blechnum galeottii; Blechnum glandulosum; Blechnum haenkeanum; Blechnum helveolum; Blechnum humile; Blechnum lomariaceum; Blechnum lomarioides; Blechnum meridionale var. pubirhachis; Blechnum mucronatum; Blechnum occidentale f. bifidum; Blechnum occidentale f. pubirhachis; Blechnum occidentale puberulum; Blechnum occidentale var. campylote; Blechnum occidentale var. campylotis; Blechnum occidentale var. caudatum (homotypic); Blechnum occidentale var. cunninghamii; Blechnum occidentale var. lacerata; Blechnum occidentale var. lomariaceum; Blechnum occidentale var. lomarioides; Blechnum occidentale var. majus; Blechnum occidentale var. minus; Blechnum occidentale var. occidentale; Blechnum occidentale var. pallidum; Blechnum occidentale var. puberulum (homotypic); Blechnum occidentale var. pubirhachis; Blechnum occidentale var. solutum (homotypic); Blechnum pectinatum; Blechnum puberulum; Blechnum rugosum; Blechnum scaberulum; Blechnum sodiroi; Blechnum suburbicum; Blechnum triangulatum; Lomaria campylotis; Mesothema campylotis; Spicanta occidentalis (homotypic); Struthiopteris caudata