Yazar
edwin h ketchledge
6 cilt bulundu.
Edwin H. Ketchledge · Adirondack Mountain Club
103 sayfa · 1967
Handbooks, manuals / Identification / Trees
Edwin H. Ketchledge · New York State Museum and Science Service
55 sayfa · 1957
Mosses / Geographical distribution
Edwin H. Ketchledge · University of the State of New York, State Education Dept.
19 sayfa · 1980
Geographical distribution / Mosses
Edwin H. Ketchledge · United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station
Sayfa sayısı yok · 1985
Mountain plants / Revegetation / Mountain ecology / Fertilization of plants
Clark T. Rogerson, G. J. Schumacher, Edwin H. Ketchledge, Robert T. Clausen, William Campbell Steere, University of the State of New York, New York State Museum and Science Service · New York State Museum
26 sayfa · 1962
Mycology / Cryptogams