1. Species Nomenclature ScientificTaxonomic, Latin CommonRegular English name TradeIndustry or region specific

2. Species Nomenclature ScientificTsuga heterophylla CommonWestern hemlock TradeHemlock, Canada Tsuga ScientificQuercus rubra CommonRed oak TradeRed oak

3. Species Nomenclature ScientificPseudotsuga menziesii CommonDouglas-fir TradeFir, Oregon pine, Columbian pine ScientificAcer saccharum CommonSugar maple TradeHard maple, Rock maple

4. Species Nomenclature sp. or spp. ? sp. – we know its genus but not its species e.g. Pinus sp. spp. – a number of different species make up one group e.g., Pinus spp. (Southern yellow pine), Shorea spp. (Red lauan)

5. Species Groups SPF Spruce-Pine-Fir White spruce and Englemann spruce / Lodgepole pine / Alpine fir (in British Columbia) Black spruce / Jack pine / Balsam fir (east of Rocky Mountains) Hem-fir, Pacific Coast Hemlock Western hemlock / Amabalis fir

6. Douglas-fir vs. True fir “Fir” Douglas-fir (Pseudotsuga menziesii) “Balsam” Alpine fir, Subalpine fir, Balsam fir (Abies sp.)

7. “Mahogany” Swietenia macrophyllaHonduran mahogany, genuine mahogany Khaya ivorensisAfrican mahogany, krala, mangona Shorea spp.Philippine mahogany, lauan, meranti Eucalyptus resinifera Red mahogany Eucalyptus botryoidesSouthern mahogany

8. Eucalyptus Karri E. diversicolor Jarrah E. marginata Tasmanian oakE. regnans or Mountain ash

9. Taxonomic nomenclature Family Genus Species Variety Pinaceae Pinus Pinus strobus Pinus strobus var. chiapensis

10. Softwood families PinaceaePinus, Picea, Pseuodotsuga, Tsuga, Abies, Larix CupressaceaeThuja, Juniperus, Chamaecyparis TaxodiaceaeTaxodium, Sequoia TaxaceaeTaxus

11. Taxonomic nomenclature (authorities) Pinus strobus L. Populus tremuloides Michx. Pseudotsuga menziesii (Mirb.) Franco Pinus monticola Dougl. ex Laws