| Name | Schaack, Clark G. | 
| First date flourished | 1987 | 
| Remarks | [author note: Arizona; ARIZ] [collector note: Arizona; ARIZ, WIS] | 
| ASA Botanist ID | 140459 botanist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4f41662a-e109-4e79-9c28-66d99a923e0a | 
| Variant name | Clark G. Schaack | 
| Variant name | Schaack, Clark G. et alia | 
| Author name | Schaack | 
| B & P Author Abbrev. | Schaack | 
| Standard/Label Name | C. G. Schaack | 
| Full Name | Schaack, Clark G. | 
| Geography Author | United States of America | 
| Geography Collector | United States of America | 
| Specialty Author | Spermatophytes | 
| Specialty Collector | Phanerogams | 
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew | 
| Citation as Collector | Type (WIS) of Purshia pinkavae Schaack | 
| Member of teams/groups | |
| Holdings | Search for specimens collected by C. G. Schaack | 
| Collections in | 1945 (1) | 
| Collector Teams: | C. G. Schaack et al. C. G. Schaack & B. Schaack | 
