- CRC World Dictionary of Medicinal and Poisonous Plants: Common Names, Scientific Names, Eponyms, Synonyms, and Etymology (5 Volume Set)
- CRC World Dictionary of Medicinal and Poisonous Plants: Common Names, Scientific Names, Eponyms, Synonyms, and Etymology
- CRC World Dictionary of Palms: Common Names, Scientific Names, Eponyms, Synonyms, and Etymology (2 Volume Set)
- CRC World Dictionary of Plant Names: Common Names, Scientific Names, Eponyms. Synonyms, and Etymology
- CRC World Dictionary of Plant Nmaes: Common Names, Scientific Names, Eponyms, Synonyms, and Etymology