The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35109821, with some changes.

M Pireella squarrosa Arzeni is a synonym of Porotrichum squarrosum (Arzeni) H.A. Crum & Steere

This name is a synonym of Porotrichum squarrosum (Arzeni) H.A. Crum & Steere.

The record derives from Tropicos which reports it as a synonym (record 35109821) with original publication details: Amer. Midl. Naturalist 52: 33. 1 33 1954.