| larix | (n) larches, Syn. genus Larix |
| pseudolarix | (n) one species: golden larch, Syn. genus Pseudolarix |
| american larch | (n) medium-sized larch of Canada and northern United States including Alaska having a broad conic crown and rust-brown scaly bark, Syn. Larix laricina, tamarack, black larch |
| european larch | (n) tall European tree having a slender conic crown, flat needlelike leaves, and hairy cone scales, Syn. Larix decidua |
| golden larch | (n) Chinese deciduous conifer resembling a larch with golden yellow leaves, Syn. Pseudolarix amabilis |
| siberian larch | (n) medium-sized larch of northeastern Russia and Siberia having narrowly conic crown and soft narrow bright-green leaves; used in cultivation, Syn. Larix russica, Larix siberica |
| subalpine larch | (n) medium-sized larch of the Rocky Mountains; closely related to Larix occidentalis, Syn. Larix lyallii |
| western larch | (n) tall larch of western North America have pale green sharply pointed leaves and oblong cones; an important timber tree, Syn. Oregon larch, western tamarack, Larix occidentalis |