- Algeria
- Omodeo and Rota, 1991; Baha, 1997; Omodeo et al., 2003
- Cyprus
- Pavlicek and Csuzdi, 2006b
- France
- Omodeo and Rota, 1991
- Greece
- Omodeo and Rota, 1991
- Italy
- Omodeo and Rota, 1991
- Morocco
- Omodeo et al., 2003
- Spain
- Omodeo and Rota, 1991
- Tunisia
- Omodeo and Rota, 1991
- Turkey
- Omodeo and Rota, 1991
- United Kingdom
- Omodeo and Rota, 1991; Sims and Gerard, 1999
- United States
- Michigan: Omodeo and Rota, 1991; Tennessee: Omodeo and Rota, 1991
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Data are not exhaustive. The database is permanently a work in progress.