1. Tsuga canadensis (L.) Carr. (E-N Am.) – An exceptional escape from cultivation. Recorded in abundance and at various stages of development (some saplings up to 200 cm tall) in an abandoned arboretum at Koekelare in 2008 (along with the less rare Tsuga heterophylla).
Selected literature:
Adolphi K. (1980) Zur Unterscheidung von Tsuga canadensis (L.) Carr, und Tsuga heterophylla (Raf.) Sarg. Göttinger Flor. Rundbr. 13(4): 90-92.
Clement E.J. (1982) Adventive news 23. BSBI News 32: 18-20.
Taxonomic name: