| Name | Wittmann, Ronald C. | 
| Date of birth | 1950 | 
| Remarks | Delwiensia pattersonii (A. Gray) W. A. Weber & R. C. Wittmann, Phytologia 91(1): 92. Apr 2009. [collector note: COLO] | 
| ASA Botanist ID | 191083 botanist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/39f6160e-f6cb-497e-9de1-47dcc3f5d890 | 
| Variant name | Ronald C. Wittmann | 
| Author name | R. C. Wittmann | 
| B & P Author Abbrev. | R. C. Wittmann | 
| Standard/Label Name | R. C. Wittmann | 
| Full Name | Wittmann, Ronald C. | 
| Geography Author | United States of America | 
| Geography Collector | United States of America | 
| Specialty Author | Spermatophytes | 
| Specialty Collector | Bryophytes | 
| Specialty Collector | Phanerogams | 
| Citation as Collector | Coll. data from the author | 
| Member of teams/groups | |
| Holdings | Search for specimens collected by R. C. Wittmann | 
| Collections in | 1981 (1), 1983 (1) | 
| Collector Teams: | W. A. Weber & R. C. Wittmann B. C. Johnston & R. C. Wittmann W. A. Weber, R. C. Wittmann & J. Wittmann | 
| Author Teams: | W. A. Weber & R. C. Wittmann |