Trigonospermum alexandri Rzed., Calderón & Pérez-Calix Acta Bot. Mex. 84: 5 (-8; fig. 2) (2008)

Nomenclatural References

• literature : Rzedowski, J., Calderón de Rzedowski, G., & Pérez-Calix, E. (2008). Tetrachyron omissum y Trigonospermum alexandri, dos especies nuevas de Compositae-heliantheae del centro de México. Acta Botanica Mexicana, 84, 1–8. https://doi.org/10.21829/abm84.2008.1063 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : Emmanuel Pérez-Calix (b.1963) Based on occurrence of standard abbreviation 'Pérez-Calix' in the authors string.
• person : Graciela Calderón (1931-2022) Based on occurrence of standard abbreviation 'Calderón' in the authors string.
• person : Jerzy Rzedowski (b.1926) Based on occurrence of standard abbreviation 'Rzed.' in the authors string.
• database : IPNI record: 60448336-2