The Shidarezakura ("Weeping cherry tree"), whose blossoms are photographed here, might be the most easy to identify variety, due to its drooping branches making it resemble a weeping willow.
EXIF info:
Nikon D90
Lens: VR 70-300mm F/4.5-5.6G
Focal Length: 200mm
Aperture: F/5.6
Shutter Speed: 1/500s
ISO Sensitivity: ISO 200