Gilbertsonia

{{Short description|Genus of fungi}}

{{Taxobox

| image =

| image_width =

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| regnum = Fungi

| divisio = Basidiomycota

| classis = Agaricomycetes

| ordo = Polyporales

| familia = Fomitopsidaceae

| genus = Gilbertsonia

| genus_authority = Parmasto (2001)

| type_species = Gilbertsonia angulipora

| type_species_authority = (M.J.Larsen & Lombard) Parmasto (2001)

| synonyms_ref =

| synonyms = *Fibroporia angulopora M.J.Larsen & Lombard (1983)

• Oligoporus anguloporus (M.J.Larsen & Lombard) Gilb. & Ryvarden (1985)
• Postia angulopora (M.J.Larsen & Lombard) M.J.Larsen & Lombard (1986)

}}

Gilbertsonia is a fungal genus in the family Fomitopsidaceae. This is a monotypic genus, containing the single brown rot species Gilbertsonia angulipora, found in the United States. Gilbertsonia is characterized by a dimitic hyphal system with clamped generative and well-developed binding hyphae. The generic name honors mycologist Robert Lee Gilbertson (1925 – 2011).{{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 | s2cid=246307410 |access-date=January 27, 2022}}

The genus was circumscribed by Erast Parmasto in Harvard Pap. Bot. Vol.6 on page 179 in 2001.