- Japan
- Blakemore, 2003, 2003b; Hasegawa et al., 2013
- Korea
- Blakemore, 2006
- Russia
- Blakemore, 2006
- United States
- Louisiana: Gates, 1958g; North Carolina: Wetzel, 2005; Tennessee: Wetzel, 2005; Virginia: Gates, 1958g
- National reviews per state:
- Reynolds and Wetzel, 2004: Arkansas, California, Connecticut, Louisiana, Michigan, New York, Oklahoma, South Carolina, Tennessee, Texas, Virginia
- Reynolds and Wetzel, 2008: Arkansas, California, Connecticut, Louisiana, Michigan, New York, Oklahoma, South Carolina, Tennessee, Texas, Virginia
- Reynolds and Wetzel, 2012: Arkansas, California, Connecticut, Louisiana, Michigan, Maryland, New York, Oklahoma, South Carolina, Tennessee, Texas, Virginia
- Vietnam
- Blakemore, 2006
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Data are not exhaustive. The database is permanently a work in progress.