⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35124485, with some changes.
This name is a synonym of Isopterygium leptoplumosum .
The record derives from Tropicos which reports it as a synonym (record 35124485
) with original publication details: Rep. Princeton Univ. Exp. Patagonia, Botany 8(3): 100. 23, 9. f. 3--5 100 1903.