Trifolium longipes var. oreganum (Howell) Isely Brittonia 32: 57 (1980)

Nomenclatural References

• person : Duane Isely (1918-2000) Based on occurrence of standard abbreviation 'Isely' in the authors string.
• person : Thomas J. Howell (1842-1912) Based on occurrence of standard abbreviation 'Howell' in the authors string.
• database : IPNI record: 257994-2
• database : The Plant List version 1.0, record: ild-27890
• database : The Plant List version 1.1, record: ild-27890