| Name | Magdefrau, Karl |
| Date of birth | 1907 |
| Date of death | 1999 |
| Remarks | [author note: Herbarium and types: M, TUB; fossils, bryophytes; History of botany] [collector note: M, VEN (col. 1958)] |
| ASA Botanist ID | 141483 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0d3ff488-c22a-4f75-81b6-5b0da4d0cf2b |
| Variant name | Karl Magdefrau |
| Author name | Mägdefrau |
| B & P Author Abbrev. | Mägd. |
| Standard/Label Name | K. Mägdefrau |
| Full Name | Magdefrau, Karl |
| Geography Author | Germany |
| Geography Collector | Germany, Venezuela |
| Specialty Author | Bryophytes |
| Specialty Author | Fungi and Lichens |
| Specialty Collector | Bryophytes |
| Specialty Collector | Phanerogams |
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew |
| Citation as Author | Ber Bayer Bot. Ges. 69/70: 195. 2000 |
| Citation as Collector | Smithsonian Contributions to Botany. Washington, DC |
| Citation as Collector | Ber. Bayer. Bot. 69/70: 195. 2000 |
| Member of teams/groups | |
| Collector Teams: | V. Vareschi & K. Mägdefrau |