First, I will show you some maples of Section Macrantha.

Acer tegmentosum is from Far Eastern Asia as East Russia, NE China and N Korea.
Acer laxiflorum is from Sichuan China. Acer pensylvanicum is from North America.
Acer morifolium, similar to Acer capillipes, is from Yaku-island Japan.
Acer rubescens is from Taiwan 2000m above sea level.
Acer davidii is from China as Yunnan, Hubei, Sichuan and Henan.

Secondly, I will show you some maples from North America.

Acer spicatum, Acer rubrum, Acer saccharinum and Acer macrophyllum are as follows.

Thirdly, I will show you some maples from China & Korea.

Acer elegantulum, Acer campbellii, Acer oliverianum and Acer takesimense are as follows.

Then, I will show you some maples of the group including Acer pictum from Japan.

Acer truncatum, Acer cappadocicum, Acer longipes and Acer pictum ssp. mono are as follows.

Lastly, I will show you some maples from Europe .

Acer monspessulanum, Acer opalus, Acer obtusatum and Acer hyrcanum are as follows.