White bellflower Campanula vidalii. Drawn and zincographed by C. T. Rosenberg, for Thomas Moore's "The Garden Companion and Florists' Guide," 1852, published by Charles Frederick Cheffins.. C.T. Rosenberg drew and engraved many botanicals for Moore's "The Gardener's Magazine of Botany" and W.J. Hooker's "Curtis's Botanical Magazine" in the middle of the 19th century. Moore (1821-1887) was the curator of the Botanic Garden, Chelsea, from 1847 until his death.