| Name | Eckfeldt, John Wiegand | 
| Date of birth | 1851  | 
| Date of death | 1933  | 
| Remarks |  [collector note: North America: LD, PENN, PH; Maine: NEBC; collected lichens with J. H. Redfield] | 
| ASA Botanist ID | 146361 botanist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/658fb44f-618c-4079-a11e-61351d2ffd62 | 
| Variant name | John Wiegand Eckfeldt | 
| Author name | Eckfeldt | 
| B & P Author Abbrev. | Eckfeldt | 
| Standard/Label Name | J. W. Eckfeldt | 
| Full Name | Eckfeldt, John Wiegand | 
| Geography Author | United States of America | 
| Geography Collector | Canada,  United States of America | 
| Specialty Author | Fungi and Lichens | 
| Specialty Collector | Lichens | 
| Specialty Collector | Pteridophytes | 
| Citation as Author |  Authors of Plant Names. Royal Botanic Gardens, Kew | 
| Citation as Collector | Index Herbariorum - Collectors E-H  | 
| Member of teams/groups |  | 
| Holdings | Search for specimens collected by J. W. Eckfeldt | 
| Collections in | [no date] (31),  1880 (4),  1881 (1),  1882 (1),  1883 (3),  1884 (2),  1885 (1),  1886 (4),  1888 (59),  1891 (10),  1892 (2),  1897 (1),  1911 (1) | 
| Collector Teams: | H. W. Ravenel & J. W. Eckfeld  J. W. Eckfeldt & J. H. Redfield   |