Its not a breeder or seedbank, clone only strains are only available as clones. Mostly they are special selected phenotypes of a commercial strain, or old classics who was keeped by someone somewhere...

Oregon Grape is a somewhat mysterious cultivar said to be the first generation offspring of AK-47 and White Widow. Never completely stabilized, it is known for developing hermie flowers late in its growth.
Both parent cultivars are multi-award winning varieties, which perhaps contributed to Oregon Grape’s genesis by Pacific Northwest breeders.

Oregon Grape was so named for its birthplace and its distinct grapelike aroma, a trait mentioned in almost all online reports. Now only available in clone form, consumers reportedly savor the rare find for its purple-and-green coloring and sweet-flavored smoke.

A fast starter, this strain hits the eyes and body very strongly, providing a sense of warmth and relaxation immediately. Almost disorienting, it leaves the user tied to a sitting position simply from its power. Major mood elevation follows quickly, melting away the problems of the day while the warm body effects help to sooth tense muscles.