Carduus americanus (A.Gray) Greene Proc. Acad. Nat. Sci. Philadelphia 1892: 362 (1893)

Nomenclatural References

• literature : Proc. Acad. Nat. Sci. Philadelphia 1892: 362. 1893 BHL link from IPNI metadata.
• person : Asa Gray (1810-1888) Based on occurrence of standard abbreviation 'A.Gray' in the authors string.
• person : Edward Lee Greene (1843-1915) Based on occurrence of standard abbreviation 'Greene' in the authors string.
• database : IPNI record: 45489-2
• database : The Plant List version 1.0, record: gcc-133832
• database : The Plant List version 1.1, record: gcc-133832