The Illustrated Rhododendron

Halliday, Pat

The Garden Succulents Primer

Smith, Gideon; Ben-Erik Van Wyk

The Houseplant Encyclopedia

Jantra, Ingrid; Ursula Kruger

Aims and Methods of Vegetation Ecology

Mueller-Dombois, Dieter; Heinz Ellenberg

A Flora of Southern California

Munz, Philip

Flowering Trees & Shrubs of India

Cowen, D.V.

The Plant Finder's Guide to Cacti & Other Succulents

Grantham, Keith; Paul Klaassen

Flora of North America, Volume 8: Magnoliophyta: Paeoniaceae to Ericaceae

Flora of North America, Volume 27: Bryophytes: Mosses, Part 1

Flora of North America, Volume 26: Magnoliophyta: Liliidae: Liliales and Orchidales

Flora of North America, Volume 25: Magnoliophyta: Commelinidae (in part): Poaceae, part 2

Flora of North America, Volume 24: Magnoliophyta: Commelinidae (in part): Poaceae, part 1