Flora : a gardener's encyclopedia : over 20,000 plants / chief consultant, Sean Hogan. - Portland, Or. : Global Book Publishing, 2004. - 2 v. : col. ill., col. maps ; 31 cm. Includes index. v. 1. A-K -- v. 2. L-Z. ISBN: 0881925381 (set) Subjects--Topical Terms: Flowers--Encyclopedias.Plants, Ornamental--Encyclopedias. LC Class. No.: SB403.2 / .F66 2004