Botany - United States.

Flora of North America : = north of Mexico. volume 1. introduction / by: (Language materials, printed)

Flora of North America : = north of Mexico.. v.3. Magnoliophyta: Magnoliidae and Hamamelidae / by: (Language materials, printed)

Flora of North America : = north of Mexico.. volume 26,. Magnoliophyta : Liliidae : Liliales and Orchidales / by: (Language materials, printed)

Flora of North America : = north of Mexico. volume 2. Peteridophytes and Gymnosperms / by: (Language materials, printed)

Flora of North America : = North of Mexico.. volume 4,. Magnoliophyta : Caryophyllidae, part 1 / by: (Language materials, printed)

Leguminosae of the United States.. III,. Subfamily papilionoidae : tribes sophoreae, podalyrieae, loteae / by: (Language materials, printed)

Botany in a day : = the patterns method of plant identification / by: (Language materials, printed)

Flora of North America : = north of Mexico.. Volume 5,. Magnoliophyta: Caryophyllidae, part 2 / by: (Language materials, printed)

Flora of North America : = north of Mexico.. Volume 25,. Magnoliophyta: Commelinidae (in part): Poaceae, part 2 / by: (Language materials, printed)

Flora of North America : = north of Mexico.. Volume 22,. Magnoliophyta: Alismatidae, Arecidae, Commelinidae (in part), and Zingiberidae / by: (Language materials, printed)

Liliales- North America.

Botany- United States.

Leguminosae- United States.

Environmental education.

Medicinal plants- Identification.- United States

Botany- North America.

Orchidales- North America.

Wild flowers- Identification.- United States

Botany- Canada.