Abstract Stéphen Sommier (1848–1922) was a renowned botanist, plant collector, ethno-anthropologist, geographer, and photographer. He made a very significant contribution to botany during the second half of the nineteenth century. He is best known for his scientific expeditions to Italy, Scandinavia, Russia and the Caucasus. This study provides a detailed reconstruction of the travel and collection itinerary of his journey to Norway in the summer of 1879. This voyage was of botanical importance, with several specimens collected whose presence and identification have been verified by us in the Herbarium Centrale Italicum (FI). A detailed map of the 1879 itinerary and an updated floristic list are provided here. The latter also includes a list of plants that were previously unknown and were collected on a previous voyage by Sommier in 1878. The voyage is also significant from an ethnological perspective, as Sommier collected ethnological artefacts and information, and made drawings and photographs of the Sami people at that time. The places visited have been georeferenced and presented on a topographical map, highlighting the routes travelled and the sites where Sommier collected his specimens. This information will also be useful for historians, scientists and natural history museum curators working on Scandinavian flora and vegetation, ethnography, the history of photography and landscapes.
Viciani et al. (Mon,) studied this question.
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