Plant classification von Benson, Lyman David

Crawling prickly pears von Benson, Lyman

The native cacti of California von Benson, Lyman David 1909-1993

Plant classification Principal plant dissections and illustr. by the late Jerome D. Laudermilk von Benson, Lyman

Plant taxonomy, methods and principles von Benson, Lyman David 1909-1993

The Opuntia pulchella Complex von Benson, Lyman

Plant classification von Benson, Lyman David 1909-1993

The trees and shrubs of the southwestern deserts von Benson, Lyman, Darrow, Robert A.

The goal and methods of systematic botany von Benson, Lyman

North American Ranunculi von Benson, Lyman

North American Ranunculi von Benson, Lyman

The cacti of Arizona von Benson, Lyman

Trees and shrubs of the Southwestern Deserts von Benson, Lyman, Darrow, Robert A.

Trees and shrubs of the southwestern deserts von Benson, Lyman David

Plant classification von Benson, Lyman David 1909-1993

Inhaltsverzeichnis

The cacti of Arizona Drawings by Lucretia Breazeale Hamilton von Benson, Lyman

The native cacti of California new names and nomenclatural combinations von Benson, Lyman

A revision of Sclerocactus von Benson, Lyman

The southern californian prickly pears invasion, adulteration and trial-by-fire von Benson, Lyman, Walkington, David L.

Plant taxonomy Methods and principles von Benson, Lyman David 1909-1993