Gamopetalae

Catalogue of Canadian plants.

by John Macoun.

Synoptical flora of North America.

Asa Gray

Synoptical flora of North America: Vol. 1, part 2 : Caprifoliaceae -- Compositae

by Asa Gray

Descriptions of new plants, chiefly Gamopetalae, collected in Mexico by C.G. Pringle in 1889 and 1890

B.L. Robinson

Synoptical Flora of North America: The Gamopetalae, Being a Second Edition of Vol I Part II, and ...

Asa Gray

Synoptical flora of North America: the Gamopetalae, being a second edition of vol. I, part II, and vol. II, part I, collected : Supplements & indexes

by Asa Gray ; published by [i.e. under the auspices of] the Smithsonian Institution, Washington

Catalogue of Canadian plants. Part II, gamopetaled

by John Macoun.

Tres nuevas gamopetalas del S. O. del Estado de Puebla

por Faustino Miranda

Synoptical flora of North America

Asa Gray

Recherches sur le sommet de l'axe dans la fleur des Gamopétales

par Louis Vidal