After about 1835 Joseph Wood's interest in architecture gave way to his other passion, botany. Many years earlier, he had completed a study of the genus
Rosa, which had been published in the
Transactions of the Linnean Society in 1818 under the title
Synopsis of the British Species of Rosa and established Woods' reputation as a systematic botanist. leaving architecture to one side, he was now able to devote himself more fully to botany and his botanical notes, made during his Continental and British travels, were published in the
Companion to the Botanical Magazine in 1835 and in 1836, and in successive volumes of
The Phytologist beginning in 1843. In 1850 he published ''The Tourist's Flora: a descriptive catalogue of the flowering plants and ferns of the British Islands, France, Germany, Switzerland, Italy, and the Italian islands'', drawing further on his many field excursions in Europe and the British Isles. A genus of fern,
Woodsia, is named in his honour. ==Extended family==