Colorado Pinyon 
Common juniper 
Coral reef araucaria 
Corsican Pine 
Coulter pine 
Creeping Juniper 
Cryptomeria 
Cupressus arizonica 
Dacrydium gibbsiae 
Dawn redwood 
Deodar cedar 
Douglas fir 
Eastern Hemlock 
Eastern Red-cedar 
Eastern White Pine 
European black pine 
European Larch 
European Yew 
Falcatifolium gruezoi 
Giant sequoia 
Grand fir 
Great Basin Bristlecone Pine 
Greek fir 
Greek juniper