Synoptical flora of North America the Gamopetalae, being a 2.ed. of vol.1, pt. 2, and vol.2, pt.1., collected
Gray, Asa
Synoptical flora of North America the Gamopetalae, being a 2.ed. of vol.1, pt. 2, and vol.2, pt.1., collected - 494 S.
N-Amerika
Regionalflora
Synoptical flora of North America the Gamopetalae, being a 2.ed. of vol.1, pt. 2, and vol.2, pt.1., collected - 494 S.
N-Amerika
Regionalflora