Hieracium triste subsp. gracile (Hook.) Calder & Roy L.Taylor Canad. J. Bot. 43: 1399 (1965)

Nomenclatural References

• person : James Alexander Calder (1915-1990) Based on occurrence of standard abbreviation 'Calder' in the authors string.
• person : Roy Lewis Taylor (1932-2013) Based on occurrence of standard abbreviation 'Roy L.Taylor' in the authors string.
• person : William Jackson Hooker (1785-1865) Based on occurrence of standard abbreviation 'Hook.' in the authors string.
• database : IPNI record: 122490-2
• database : The Plant List version 1.0, record: gcc-13445
• database : The Plant List version 1.1, record: gcc-13445