Despite its common name, botanically, its fruit is not a berry, but a "drupe".
The fruit color may be yellow, orange, or red.
Part of
blackberry/raspberry genus Rubus
in
🌹︎ rose family Rosaceae
in
🍎︎ apple / 🍇︎ berry / buckthorn / elm / hemp / 🌹︎ rose order Rosales.
Native to 🇨🇦 Canada and 🇺🇸 USA's Pacific Northwest, in damp areas, along the coast from Alaska's Aleutian Islands and South, to British Columbia, Washington, Oregon and California, but also extending up river valleys, into Idaho. And according to the USFS links below, 🇯🇵 Japan and West Virginia!
🌎︎ Map by county (🇺🇸 USA-48)
(colors),
🌎︎ map.
Uses by native peoples
(Ethnobotany database)