Biseriate

{{One source|date=May 2025}}

Biseriate is a botanical term applied to both plantae and fungi, meaning 'arranged in two rows'.{{Cite web |date=2006-10-17 |title=GardenWeb defines biseriate |url=https://web.archive.org/web/20061017163011/http://glossary.gardenweb.com/glossary/biseriate.html |access-date=2025-05-07 |website=web.archive.org}}

The term can refer to any number of structures found within these kingdoms, from arrangement of leaves to the placement of spores.

It becomes useful in taxonomy for placing a species within a certain genus, family, or even order, based upon morphology, when making an initial choice or when DNA evidence is inconclusive.