Her definitive work on Amaryllidaceae in collaboration with Piet Vorster, has yet to be published, the illustrations being finished by her daughter, Leigh Voigt.
Larvae feed on bulbs of Amaryllidaceae (for instance Narcissus tazetta) and Liliaceae species, while adults feed on flowers of several wild plants, mainly Asteraceae species and are potentially dangerous for vineyards.
Herbertia (journal): An international journal published by the International Bulb Society devoted to the botany and horticulture of geophytic plants with a special emphasis on the Amaryllidaceae and other petaloid monocot families rich in bulbous or cormous plants.
Crinine is an alkaloid of the Amaryllidaceae family, and its asymmetric total synthesis was one of the first using the aza-Cope/Mannich reaction.
Like its relative, Brithys crini, this noctuid is found almost exclusively on plants of the Amaryllidaceae and Liliaceae families, and has been recorded feeding on Ornithogalum eckloni and Boophone disticha.
Lycoris radiata, a plant in the amaryllis family Amaryllidaceae, also known as a red spider lily
Hymenocallis, a genus of plants in the family Amaryllidaceae