| Name | Gustafsson, Claes | 
| Date of birth | 1965 | 
| Remarks | [author note: GB; Clethraceae, Rubiaceae [Gustafsson provided a portion of the data on 26 Oct 2000]] [collector note: BRG, CAY, COL, GB, GUAY, LPB, MO, NY, QCA, QCNE, S, UVAL [Gustafsson provided a portion of the data on 26 Oct 2000]] | 
| ASA Botanist ID | 143413 botanist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/49999634-ef1d-4fe4-91c6-bb2c5f55980d | 
| Variant name | Claes Gustaf Robert Gustafsson | 
| Variant name | Gustafsson, C. | 
| Author name | C. Gustaffson | 
| B & P Author Abbrev. | C. Gust. | 
| Standard/Label Name | C. Gustafsson | 
| Full Name | Gustafsson, Claes | 
| Geography Author | Sweden | 
| Geography Collector | Bolivia,  Colombia,  Ecuador,  French Guiana,  Guatemala,  Guyana,  Norway,  Sweden | 
| Specialty Author | Spermatophytes | 
| Specialty Collector | Phanerogams | 
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew | 
| Citation as Collector | Novon 10(1): 85. 2000. | 
| Member of teams/groups |  | 
| Collector Teams: | M. J. Jansen-Jacobs, B. J. H. ter Welle, C. Gustafsson & V. James  L. Andersson, F. González, C. Gustafsson, C. Persson & J. H. E. Rova |