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Jeffrey pine wood and ponderosa pine wood are sold together as yellow pine. [6] Both kinds of wood are hard (with a Janka hardness of 550 lbf (2,400 N)), but the western yellow pine wood is less dense than southern yellow pine wood (28 lb/cu ft (0.45 g/cm 3 ) versus 35 lb/cu ft (0.56 g/cm 3 ) for shortleaf pine).
The hardest hardwoods are much harder than any softwood, [4] but in both groups there is enormous variation with the range of wood hardness of the two groups overlapping. For example, balsa wood, which is a hardwood, is softer than most softwoods, whereas the longleaf pine , Douglas fir , and yew softwoods are much harder than several hardwoods.
Jack pine (Pinus banksiana) Lodgepole pine (Pinus contorta) Monterey pine (Pinus radiata) Ponderosa pine (Pinus ponderosa) Red pine (North America) (Pinus resinosa) Scots pine, red pine (UK) (Pinus sylvestris) White pine. Eastern white pine (Pinus strobus) Western white pine (Pinus monticola) Sugar pine (Pinus lambertiana) Southern yellow pine
Quercus ellipsoidalis, the northern pin oak or Hill's oak, is a North American species of oak tree native to the north-central United States and south-central Canada, primarily in the Great Lakes region and the Upper Mississippi Valley. [2] It most commonly occurs on dry, sandy soils. [3]
A thick covering of leaves can prevent light from getting to the grass, which can hurt or even kill grass, but some leaf debris can enrich soil and support pollinators, reports Outdoors Magazine.
As the name suggests, the wood from these trees is generally harder than that of softwoods, but there are significant exceptions. In both groups there is an enormous variation in actual wood hardness, with the range in density in hardwoods completely including that of softwoods; some hardwoods ( e.g. , balsa ) are softer than most softwoods ...
Pinus elliottii, commonly known as slash pine, [2] [3] is a conifer tree native to the Southeastern United States. Slash pine is named after the "slashes" – swampy ground overgrown with trees and bushes – that constitute its habitat. Other common names include swamp pine, yellow slash pine, and southern Florida pine. [3]
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