| Name | Irwin, H. S., Grear, J. W., Jr., Souza, R. & Santos, R. Reis dos | 
| Agent type | Team/Group | 
| First date collected | 1966  | 
| Remarks |  [collector note: F, GH, K, MICH, MO, NY, RB, S, U, UB, US] | 
| ASA Botanist ID | 153857 botanist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/34014f0b-fd84-4de7-8b86-a4b96772a4fc | 
| Standard/Label Name | H. S. Irwin, J. W. Grear, Jr., R. Souza & R. Reis dos Santos | 
| Full Name | Irwin, H. S., Grear, J. W., Jr., Souza, R. & Santos, R. Reis dos | 
| Geography Collector | Brazil | 
| Specialty Collector | Phanerogams | 
| Citation as Collector |  Phytologia; Designed to Expedite Botanical Publication. New York | 
| Citation as Collector |  Annals of the Missouri Botanical Garden | 
| Holdings | Search for specimens collected by H. S. Irwin, J. W. Grear, Jr., R. Souza & R. Reis dos Santos | 
| Collections in | 1966 (69) | 
| Team Members: | Irwin, Howard Samuel  Souza, Raimundo   |