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⚠ Version 1 of The Plant List has been superseded.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 gcc-58031, with some changes.

L Carduus pycnocephalus var. tenuiflorus (Curtis) Ball is a synonym of Carduus tenuiflorus Curtis

This name is a synonym of Carduus tenuiflorus Curtis.

The record derives from TICA which reports it as a synonym (record 4F685FB6-FDB8-430F-9CF1-8B560883F70C) with original publication details: "J. Linn. Soc., Bot. 16: 521 (1878)" 521 1878.