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⚠ Version 1 of The Plant List has been superseded.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-35107593, with some changes.

M Philonotis crassicostata Warnst. is a synonym of Philonotis calcarea var. crassicostata (Warnst.) Latzel

This name is a synonym of Philonotis calcarea var. crassicostata (Warnst.) Latzel.

The record derives from Tropicos which reports it as a synonym (record 35107593) with original publication details: Allg. Bot. Z. Syst. 5(Beih. 1): 32 32 1899.