Hymenasplenium

{{automatic taxobox

| image = Hymenasplenium cheilosorum.jpg

| image_caption = Hymenasplenium cheilosorum

| taxon = Hymenasplenium

| authority = Hayata

| type_species = Hymenasplenium unilaterale

| type_species_authority = (Lam.) Hayata. 1927

| synonyms = * Asplenium sect. Hymenasplenium {{au|(Hayata) K. Iwats. 1975}}

}}

Hymenasplenium is one of three genera of ferns in the Aspleniaceae (spleenwort family), in the eupolypods II clade of the order Polypodiales. The others are Hemidictyum and Asplenium. Hymenasplenium was segregated because it is a natural grouping with differing rhizome morphology – dorsiventral v. radial for the rest of Asplenium, differing chromosome count – x=39 v. x=36 for the rest of Asplenium, and a clear monophyletic grouping based on genetic analysis. It was confirmed as a sister group to Asplenium in a 2015 molecular study of the genera.

Selected species

References

{{Reflist|refs=

{{cite journal|vauthors=Ohlsen DJ, Perrie LR, Shepherd LD, Brownsey PJ, Bayly MJ |date=2015|title=Phylogeny of the fern family Aspleniaceae in Australasia and the south-western Pacific|journal=Australian Systematic Botany|volume=27|issue=6|pages=355–71 | doi=10.1071/sb14043|doi-access=free}}

{{cite journal

|author1=Alan R. Smith

|author2=Kathleen M. Pryer

|author3=Eric Schuettpelz

|author4=Petra Korall

|author5=Harald Schneider

|author6=Paul G. Wolf

|year=2006

|title=A classification for extant ferns

|journal=Taxon

|volume=55

|issue=3

|pages=705–731

|doi=10.2307/25065646

|jstor=25065646

|url=http://www.pryerlab.net/publication/fichier749.pdf

|url-status=dead

|archiveurl=https://web.archive.org/web/20080226232147/http://www.pryerlab.net/publication/fichier749.pdf

|archivedate=February 26, 2008

}}

{{cite journal

|author1=Maarten J. M. Christenhusz |author2=Xian-Chun Zhang |author3=Harald Schneider |year=2011

|title=A linear sequence of extant families and genera of lycophytes and ferns

|journal=Phytotaxa|volume=19|pages=7–54

|doi=10.11646/phytotaxa.19.1.2 |url=http://www.mapress.com/phytotaxa/content/2011/f/pt00019p054.pdf}}

}}

Category:Aspleniaceae

Category:Fern genera