Pseudotsuga Carrière
Pseudotsuga is a small genus of probably four or five species, two in North America and two or three in Asia (China, Japan). Only one, Pseudotsuga menziesii, is economically important.
Literature:
Christensen K.I. (2000) Coniferopsida. In: Jonsell B. (ed.), Flora Nordica, vol. 1. The Bergius Foundation, Stockholm: 91-115.
Farjon A. (1990) Pinaceae: drawings and descriptions of the genera Abies, Cedrus, Pseudolarix, Keteleeria, Nothotsuga, Tsuga, Cathaya, Pseudotsuga, Larix and Picea. Regnum Vegetabile 121. Königstein, Koeltz Scientific Publications: 330 p.
Farjon A. (2001) World checklist and bibliography of conifers. Royal Botanic Gardens, Kew (2nd edition).
Flous F. (1937) Révision du genre Pseudotsuga. Bull. Soc. Hist. Nat. Toulouse 71: 33-164.