Many of the conifer species cultivated face infestations and death from such pests as the Balsam woolly adelgid and other adelgids.

Certain species of birds are also considered pests, among these is the Pine Grosbeak which feeds on conifer buds.

The conifer species used and cultivated as Christmas trees are vulnerable to dozens of different pests, most of which cause cosmetic damage to the trees, important in the Christmas tree industry.

By 2002, sudden oak death had been reported along the California coast and the Oregon Coast, and two species of conifer were identified as hosts of the pathogen, Douglas fir and coast redwood.

Voles, or meadow mice, can cause damage to conifer plantation seedlings.

In the U.S. Pacific Northwest, gopher (pocket gopher) damage to conifer seedlings occurs over thousands of acres, causing significant economic loss for the region.

The habitats it can be found in include: California interior chaparral and foothill woodlands, Sierra Nevada lower montane forest (Yellow Pine Forest), Mediterranean California Lower Montane Black Oak-Conifer Forest (Mixed Evergreen Forest).

The hardwood:conifer timber volume ratio is 1:1,000 in the maritime Pacific Northwest. Another unique feature of Olympic forests is the size and longevity of the dominant tree species.

Until the mid-19th century all vessels' masts were made of wood formed from a single or several piece of timber which typically consisted of the trunk of a conifer tree.

The Ocala National Forest is in the southeastern conifer forests and the Florida sand pine scrub ecoregions.

Dispersal involves traversing lowland conifer forests and valleys to other subalpine meadows.

"P. porrigens", known as the angel wing, is a white-rot wood-decay fungus on conifer wood, particularly hemlock (genus "Tsuga").

Other streets were also named after trees such as Palm Croft, Conifer Close and Fir Croft. Now Withymoor Village is a modern, vibrant community.

Ecosystem Zones in the park are grasslands, shrublands, riparian, foothills-conifer, and caprock.

These species are mostly seen in the open rocky mountain edges or slopes or onto the broken ground covered with conifer trees like Pine, Deodar and Rhododendron forests.

The Plain Silver Y or Western Conifer Looper (Syngrapha celsa) is a moth of the Noctuidae family.

A mixed conifer forest, consisting mostly of Douglas fir, White fir, and Ponderosa pine, is found between elevations of and . Between elevations of and is a subalpine conifer forest consisting mostly of Engelmann Spruce, Subalpine fir, and Limber pine.

Quaking Aspen is scattered in both the mixed conifer and subalpine forests at elevations from to . Above the treeline at approximately is alpine tundra.

Woody plant (primarily conifer) taxonomy, ecology, conservation, and herbarium development.

Of all the conifer species in the area, only this one seems to be ideal for that purpose.

Charles Sprague Sargent, director of the Arnold Arboretum advised in developing the extensive conifer collection north of the carriage house.

These habitats include oak savanna, wetlands, oak woodland, and a conifer forest, among others.

Their breeding habitat is the edges of conifer and mixed forests in mountainous regions of western North America, from southeastern Alaska and Yukon south to California.