Petrakiella

{{Short description|Genus of fungi}}

{{Taxobox

| image =

| image_caption =

| regnum = Fungi

| divisio = Ascomycota

| classis = Sordariomycetes

| ordo = Phyllachorales

| familia = Phyllachoraceae

| genus = Petrakiella

| genus_authority = Syd.

| type_species = Petrakiella insignis

| type_species_authority = Syd.

| subdivision_ranks = Species

| subdivisions =

}}

Petrakiella is a genus of fungi in the family Phyllachoraceae; according to the 2007 Outline of Ascomycota, the placement in this family is uncertain.{{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 }} This is a monotypic genus, containing the single species Petrakiella insignis.

The genus name of Petrakiella is in honour of Franz Petrak (1886–1973), who was an Austrian-Czech mycologist.{{cite book | last=Burkhardt | first=Lotte | title=Eine Enzyklopädie zu eponymischen Pflanzennamen |trans-title=Encyclopedia of eponymic plant names | publisher=Botanic Garden and Botanical Museum, Freie Universität Berlin | year=2022 | isbn=978-3-946292-41-8 | url=https://doi.org/10.3372/epolist2022|format=pdf |language=German |location=Berlin | doi=10.3372/epolist2022 |access-date=January 27, 2022}}

The genus was circumscribed by Hans Sydow in Ann. Mycol. vol.22 on page 230 in 1924.