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The Trees of North America. For the purposes of this category, "North America" is defined in accordance with the World Geographical Scheme for Recording Plant Distributions (WGSRPD), which calls it Northern America , namely as one of the nine "botanical continents".
The Flora of North America North of Mexico (usually referred to as FNA) is a multivolume work describing the native plants and naturalized plants of North America, including the United States, Canada, St. Pierre and Miquelon, and Greenland. It includes bryophytes and vascular plants.
Tilia is a genus of about 30 species of trees or bushes, native throughout most of the temperate Northern Hemisphere. The tree is known as linden for the European species, and basswood for North American species. [1] [2] In Great Britain and Ireland they are commonly called lime trees, although they are not related to the citrus lime. The genus ...
The American basswood is a medium-sized to large deciduous tree reaching a height of 18 to 37 m (60 to 120 ft) exceptionally 39 m (128 ft) with a trunk diameter of 1–1.5 m (3–5 ft) at maturity. It grows faster than many North American hardwoods, often twice the annual growth rate of American beech and many birch species. Life expectancy is ...
Note: many American texts have B. pendula and B. pubescens confused, though they are distinct species with different chromosome numbers. Birches native to North America include Birch trees in the Ten Mile Estuary State Marine Conservation Area south of Newport, California
Fire is the dominant type of disturbance in boreal North America, but the past 30-plus years have seen a gradual increase in fire frequency and severity as a result of warmer and drier conditions. From the 1960s to the 1990s, the annual area burned increased from an average of 1.4 to 3.1 million hectares per year.
Tsuga canadensis, also known as eastern hemlock, [3] eastern hemlock-spruce, [4] or Canadian hemlock, and in the French-speaking regions of Canada as pruche du Canada, is a coniferous tree native to eastern North America. It is the state tree of Pennsylvania. [5]
The Scandinavian coastal conifer forest is a terrestrial ecoregion as defined by WWF [1] and National Geographic. [2] The broad definition is based on climatic parameters and includes a long area along the western Norwegian coast from Lindesnes Municipality and north to approximately Senja Municipality (further north summers are too cool for pine in coastal areas); in essence areas along the ...