- CGN: observations on 12 acc. as download .
- GRIN: data on 210 acc (incl. some doubles): relevant webpage
- the British Potato Varieties Database, select Resistance to black scurf
- VIR: data on 473 acc. not yet on-line, but downloadable in a combined data set of the European potato genebanks.
- the European Cultivar Potato Database resistance data on 600 clones/cultivars.
- Neiker: >30 observations in downloadable data set (varieties).
- Decription of the disease by bioKennis (in Dutch)