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Inonotus obliquus, commonly called chaga (/ ˈ tʃ ɑː ɡ ə /; a Latinisation of the Russian word ча́га), is a fungus in the family Hymenochaetaceae. It is parasitic on birch and other trees. The sterile conk is irregularly formed and resembles burnt charcoal.
Betula nigra, the black birch, river birch or water birch, is a species of birch native to the Eastern United States from New Hampshire west to southern Minnesota, and south to northern Florida and west to Texas. It is one of the few heat-tolerant birches in a family of mostly cold-weather trees which do not thrive in USDA Zone 6 and up.
Agrilus anxius, the bronze birch borer, is a wood-boring buprestid beetle native to North America, more numerous in the warmer parts of the continent and rare in the north. [1] It is a serious pest on birch trees (Betula), frequently killing them. The river birch Betula nigra is the most resistant species, while other American birches are less so.
A chaga mushroom grown into the side of a birch tree. The use of mushrooms was not isolated to the Koryaks: the people of the Chukchi, Yukahgir, and various other groups were noted for their usage of mushrooms in shaman healing rituals. [23] Another indigenous group noted for mushroom usage is the Khanty.
Betula alleghaniensis, forest emblem of Quebec, [6] Canada. Betula alleghaniensis is a medium-sized, typically single-stemmed, deciduous tree reaching 60–80 feet (18–24 m) tall (exceptionally to 100 ft (30 m)) [2] [7] with a trunk typically 2–3 ft (0.61–0.91 m) in diameter, making it the largest North American species of birch.
Extraction of birch sap. Birch sap, birch water or birch juice is the sap directly tapped from birch trees, Betula pubescens (white birch), Betula pendula (silver birch), Betula lenta, Betula papyrifera, and Betula fontinalis. Birch sap may be consumed both fresh and naturally fermented. When fresh, it is a clear and colourless liquid, often ...
Betula pubescens is known as downy birch, with other common names including moor birch, white birch, European white birch or hairy birch. [3] It is a deciduous tree growing to 10 to 20 m (33 to 66 ft) tall (rarely to 27 m), with a slender crown and a trunk up to 70 cm (28 in) (exceptionally 1 m) in diameter, with smooth but dull grey-white bark ...
Taphrina betulina is a fungal plant pathogen that causes the gall, witches broom, which is a chemical infection of birch buds or the developing shoots, leading to a proliferation of growth. [2] It was first described by Emil Rostrup in 1883 and is found in Europe, New Zealand and North America.