Abies n. : A genus of coniferous trees, properly called Fir, as the balsam fir and the silver fir. The spruces are sometimes also referred to this genus.

Example:
how can I propagate picea Abies by cutting?

Taxonomy
Fir, Abies, cones, Balsam Fir, altitudes, subsp, free encyclopedia, Abies grandis, Abies durangensis, Abies vejarii, Search, Algerian Fir, Baishanzu Fir, Bhutan Fir, White Fir, true firs, Fraser Fir, Abies nordmanniana.

Defination from the web:
Abies alba foliage from Dinaric calcareous fir forests on Mt. Orjen. Firs (Abies) are a genus of between 45-55 species of ... Abies veitchii var. sikokiana - Shikoku Fir. Section Grandis (western North America to Mexico and Guatemala, lowlands in north, moderate altitudes in south) ...