Robuta

https://www.rhs.org.uk/plants/222273/acer-rubrum-somerset/details Acer rubrum 'Somerset' | red maple 'Somerset' Trees/RHS acer rubrum red maple somerset trees rhs https://www.rhs.org.uk/plants/251036/acer-rubrum-red-king/details Acer rubrum 'Red King' | /RHS acer rubrum red king rhs https://intercom.help/joes-blooms/en/articles/12312658-tree-species-red-maple-acer-rubrum Tree Species: Red maple (Acer rubrum) | Joe's Blooms Help Center tree species red maple acer rubrum https://www.rhs.org.uk/plants/26179/acer-rubrum-var-tomentosum/details Acer rubrum var. tomentosum | matted-haired red maple Trees/RHS acer rubrum red maple var matted haired https://www.usgs.gov/publications/productivity-responses-acer-rubrum-and-taxodium-distichum-seedlings-elevated-co2-and Productivity responses of Acer rubrum and Taxodium distichum seedlings to elevated CO2 and flooding... Elevated levels of atmospheric CO2 are expected to increase photosynthetic rates of C3 tree species, but it is uncertain whether this will result in an...