Hieracium impressum Norrl. Herb. Mus. Fenn. 1: 148, in adnot. (1889)

Nomenclatural References

• person : Johan Petter Norrlin (1842-1917) Based on occurrence of standard abbreviation 'Norrl.' in the authors string.
• database : IPNI record: 218594-1
• database : The Plant List version 1.0, record: gcc-113858
• database : The Plant List version 1.1, record: gcc-113858