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⚠ Version 1 of The Plant List has been superseded.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-35144214, with some changes.

M Ptychomnion horridum Cardot & Broth. is a synonym of Ptychomnion cygnisetum f. fruticetorum Hattaway

This name is a synonym of Ptychomnion cygnisetum f. fruticetorum Hattaway.

The record derives from Tropicos which reports it as a synonym (record 35144214) with original publication details: Kongl. Svenska Vetenskapsakad. Handl. 63(10): 57. 3 f. 12 57 1923.