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Quercus rubra, the northern red oak, is an oak tree in the red oak group (Quercus section Lobatae). It is a native of North America, in the eastern and central United States and southeast and south-central Canada. It has been introduced to small areas in Western Europe, where it can frequently be seen cultivated in gardens and parks.
The genus Quercus contains about 500 known species, plus about 180 hybrids between them. [1] The genus, as is the case with many large genera , is divided into subgenera and sections . Traditionally, the genus Quercus was divided into the two subgenera Cyclobalanopsis , the ring-cupped oaks, and Quercus , which included all the other sections.
Quercus austrina: bastard white oak Fagaceae (beech family) Quercus bicolor: swamp white oak Fagaceae (beech family) 804 Quercus brantii: Brant's oak Fagaceae (beech family) Quercus breviloba: shallow-lobed oak Fagaceae (beech family) Quercus calliprinos: kermes oak Fagaceae (beech family) Quercus cerris: Turkey oak Fagaceae (beech family ...
Chinkapin oak (Quercus muhlenbergii) Canyon live oak (Quercus chrysolepis) Overcup oak (Quercus lyrata) English oak (Quercus robur) Red oak. Northern red oak (Quercus rubra) Eastern black oak (Quercus velutina) Laurel oak (Quercus laurifolia) Southern red oak (Quercus falcata) Water oak (Quercus nigra) Willow oak (Quercus phellos) Nuttall's oak ...
Northern red oak (Quercus rubra) Montebello, Canada Estimated 300 years old and 20 m tall, it is one of the oldest known trees in Quebec. Linden Oak: White oak (Quercus alba) North Bethesda, USA ~300 A large tree with a height of 97 feet (30 m) and a crown spread of 132 feet (40 m) as measured in February 2008 by the Maryland Big Tree Program.
Although software exists that helps in skipping questions in a single-access key, [3] the more general solution to this problem is the construction and use of multi-access keys, allowing a free choice of identification steps and are easily adaptable to different taxa (e.g., very small or very large) as well as different circumstances of ...
Quercus velutina - Eastern Black Oak; Quercus alba - White Oak; Quercus rubra - Red Oak; Quercus velutina - Black Oak; Quercus acutissima - Sawtooth Oak; Quercus ilicifolia - Bear Oak; Quercus stellata - Post Oak; Quercus phellos - Willow Oak; Quercus cerris - Turkey Oak; Quercus lyrata - Overcup Oak; Quercus roubar - English Oak; Quercus ...
Dyer's oak – Quercus velutina; Eastern black oak – Quercus velutina; English oak – Quercus robur; Island oak – Quercus tomentella; Mirbeck's oak – Quercus canariensis; Mossycup white oak – Quercus macrocarpa; Northern red oak – Quercus rubra; Pedunculate oak – Quercus robur; Pin oak – Quercus palustris; Red oak – Quercus ...