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Fungal diseases; Annosus root disease Heterobasidion annosum. Spiniger meineckellum [anamorph] Armillaria root disease Armillaria solidipes. Armillaria spp. Black stain root disease Leptographium wageneri var. pseudotsugae: Blue stain fungus Grosmannia clavigera: Bleeding sap rot Stereum sanguinolentum: Brown crumbly rot Fomitopsis pinicola ...
The flowering dogwood is usually included in the dogwood genus Cornus as Cornus florida L., although it is sometimes treated in a separate genus as Benthamidia florida (L.) Spach. Less common names for C. florida include American dogwood, Florida dogwood, Indian arrowwood, Cornelian tree, white cornel, white dogwood, false box, and false boxwood.
Discula destructiva is a fungus in the family Gnomoniaceae which causes dogwood anthracnose, affecting populations of dogwood trees native to North America. [1]It was introduced to the United States in 1978 and is distributed throughout the Eastern United States and the Pacific Northwest.
The term "dogwood winter", in colloquial use in the American Southeast, especially Appalachia, [38] is sometimes used to describe a cold snap in spring, presumably because farmers believed it was not safe to plant their crops until after the dogwoods blossomed. [39] Anne Morrow Lindbergh gives a vivid description of the dogwood tree in her poem ...
Cornus sanguinea stems in winter.. It is a medium to large deciduous shrub, growing 2–6 metres (7–20 ft) tall, with dark greenish-brown branches and twigs.The leaves are opposite, 4–8 centimetres (2–3 in) long and 2–4 centimetres (0.8–1.6 in) broad, with an ovate to oblong shape and an entire margin; they are green above, slightly paler below, and rough with short stiff pubescence.
Cornus foemina is a species of flowering plant in the family Cornaceae known by the common names stiff dogwood [2] and swamp dogwood. [4] [5] It is native to parts of the eastern and southeastern United States. [2] This plant is a large shrub or small tree up to 25 feet tall with trunks up to 4 inches wide. The bark is smooth or furrowed.
The dogwood family is desired for ornamental uses in landscapes across the United States. Dogwoods are valued by gardeners for their spring flowers, summer foliage, fruit and leaf color. [ 5 ] Each species of dogwood has their own unique look, Cornus amomum is a shrub which can be used in places of excess runoff or areas of water collection in ...
[10] [11] The pathogen often makes Douglas fir trees unsalable as Christmas trees and affects the Christmas tree farming industry. [10] Douglas firs are also affected by Phaeocryptopus gaumanni which causes Swiss needle cast. [6] Red band needle blight is a fungal disease which affects coniferous trees, particularly pine, with a worldwide ...