Nomenclature: wfo-0001289393
![John Thomas Howell (1903-1994) John Thomas Howell (1903-1994)](http://commons.wikimedia.org/wiki/Special:FilePath/John%20Thomas%20Howell%20%28American%20Botanist%29.jpg)
Opuntia echios var. zacana in MadroƱo 20: 256. 1970.
Nomenclatural References
- person : David Leo Walkington (b.1930) Based on occurrence of standard abbreviation 'Walk.' in the authors string.
- person : Edward Frederick Anderson (1931-2001) Based on occurrence of standard abbreviation 'E.F.Anderson' in the authors string.
- person : John Thomas Howell (1903-1994) Based on occurrence of standard abbreviation 'J.T.Howell' in the authors string.
- database : The Plant List version 1.0, record: tro-5107356
- database : The Plant List version 1.1, record: tro-5107356
Taxonomy: Accepted in 2018-07 classification
Occurs in: 2018-07 : 2019-03 : 2019-05 : 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12 : 2024-06Placement: Caryophyllales > Cactaceae > Opuntia > Opuntia echios > Opuntia echios var. zacana