Retroa

{{Short description|Genus of fungi}}

{{Taxobox

| image =

| image_caption =

| regnum = Fungi

| divisio = Ascomycota

| classis = Sordariomycetes

| ordo = Phyllachorales

| familia = Phyllachoraceae

| genus = Retroa

| genus_authority = P.F. Cannon

| type_species = Retroa dimorphandrae

| type_species_authority = (F. Stevens) P.F. Cannon

| subdivision_ranks = Species

| subdivisions =

}}

Retroa is a genus of fungi in the family Phyllachoraceae.{{cite journal |last=Lumbsch TH, Huhndorf SM. |date=December 2007 |title=Outline of Ascomycota – 2007 |journal=Myconet |volume=13 |pages=1–58 |url=http://archive.fieldmuseum.org/myconet/outline.asp |publisher=The Field Museum, Department of Botany |location=Chicago, USA }}