Plant life in Alpine Switzerland; being an account in simple language of the natural history of Alpine plants Arber, E. A. Newell (Edward Alexander Newell), 1870-1918 creator text book London J. Murray 1910 1910
print
ENG "Books on the Swiss Alpine flora": p. 333-336. Mountain plants https://www.biodiversitylibrary.org/bibliography/29556 4396201 a12000276 10.5962/bhl.title.29556 Ohio State Univ.