Hieracium ravidum var. exaltifrons T.Tyler Ann. Bot. Fenn. 41(2): 139 (-140; fig. 4) (2004)

Nomenclatural References

• person : Torbjörn Tyler (b.1973) Based on occurrence of standard abbreviation 'T.Tyler' in the authors string.
• database : IPNI record: 60432879-2