Parvotrisetum

{{Short description|Genus of grasses}}

{{Speciesbox

|genus = Parvotrisetum

|parent_authority = Chrtek

|display_parents = 3

|species = myrianthum

|authority = (Bertol.) Chrtek

|synonyms =

• Avena agrostoides {{small|Griseb.}}
• Avena mediolanensis {{small|Balansa & De Not.}}
• Avena myriantha {{small|Bertol. (1834)}} (basionym)
• Trisetum agrostoides {{small|(Griseb.) Steud.}}
• Trisetaria myriantha {{small|(Bertol.) D.Heller}}
• Trisetum myrianthum {{small|(Bertol.) C.A.Mey.}}

|synonyms_ref = {{cite web |title=Parvotrisetum myrianthum (Bertol.) Chrtek |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:413756-1 |website=Plants of the World Online |publisher=Royal Botanic Gardens, Kew |access-date=12 May 2025}}

}}

Parvotrisetum is a genus of grasses. It includes a single species, Parvotrisetum myrianthum, an annual native to southeastern Europe – mainland Italy, former Yugoslavia, Bulgaria, Greece and the East Aegean Islands, and European Turkey.