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High-latitude Oaks - Photo (c) Carlos G Velazco-Macias, some rights reserved (CC BY-NC), uploaded by Carlos G Velazco-Macias CC
High-latitude Oaks (Subgenus Quercus) Info
Quercus subgenus Quercus is one of the two subgenera into which the genus Quercus was divided in a 2017 classification (the other being subgenus Cerris). It contains about 190 species divided among five sections. It may be called the New World clade or the high-latitude clade; most species are native to the Americas, the others being found in Eurasia and northernmost North Africa. (Wikipedia)
Red Oaks - Photo (c) Jim Dollar, some rights reserved (CC BY-NC) CC
Red Oaks (Section Lobatae) Info
Quercus subgenus Quercus is one of the two subgenera into which the genus Quercus was divided in a 2017 classification (the other being subgenus Cerris). It contains about 190 species divided among five sections. It may be called the New World clade or the high-latitude clade; most species are native to the Americas, the others being found in Eurasia and northernmost North Africa. (Wikipedia)
Northern Red Oak - Photo (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott CC
Northern Red Oak (Quercus rubra) Info
Quercus rubra, commonly called northern red oak, or champion oak, (syn. Quercus borealis), is an oak 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 grows from the north end of the Great Lakes, east to Nova Scotia, south as far as Georgia, Alabama, and Louisiana, and west to Oklahoma, Kansas, Nebraska, and Minnesota. It has been... (Wikipedia)