Hieracium sylvaticum var. crassum Ley J. Bot. 48(576): 326 (1910)

Nomenclatural References

• literature : J. Bot. 48(575): 326 (-327). 1910 [Nov 1910] BHL link from IPNI metadata.
• person : Augustin Ley (1842-1911) Based on occurrence of standard abbreviation 'Ley' in the authors string.
• database : IPNI record: 77072724-1