| Title | Hardy Bulbs; Including Half-hardy Bulbs and Tuberous and Fiberous-rooted Plants. London |
| Abbreviation | Hardy Bulbs |
| Authors | C. H. Grey |
| Publication Dates | 3 vols., 1937. Vol. 1: Iridaceae; vol. 2, Amaryllidaceae, Commelinaceae, Haemodoraceae, Orchidaceae, Scitaminae; vol. 3, Liliaceae |
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