Tetrachyron omissum y Trigonospermum alexandri, dos especies nuevas de Compositae-Heliantheae del centro de México
Published in Acta Botánica Mexicana, in 2008, in volume 84, pages 1-8
Date published:2008
Published in Acta Botánica Mexicana, in 2008, in volume 84, pages 1-8
Date published:2008