| Name | Ferreyra, Ramón Alejandro | 
| Date of birth | 1910 | 
| Date of death | 2005 | 
| Remarks | "Authors Pl. Names" and "index Herbariorum, ed. 7" list the birth year as: 1912. [author note: Herbarium and types: USM. Asteraceae, Nolanaceae, Polygalaceae] [collector note: AMES, BAA, MOL, P, US, USM] | 
| URL | http://www.scielo.org.pe/scielo.php?pid=S1727-99332005000200001&script=sci_arttext&tlng=es | 
| ASA Botanist ID | 145937 botanist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6fbf3df1-34f7-4ddf-8e01-f724e3aa1a4b | 
| Variant name | Ferreyra Huerta, Ramón Alejandro | 
| Variant name | Ramón Alejandro Ferreyra | 
| Author name | Ferreyra | 
| B & P Author Abbrev. | Ferreyra | 
| Standard/Label Name | R. A. Ferreyra | 
| Full Name | Ferreyra, Ramón Alejandro | 
| Geography Author | Peru | 
| Geography Collector | Argentina,  Chile,  Peru,  United States of America | 
| Specialty Author | Spermatophytes | 
| Specialty Collector | Phanerogams | 
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew | 
| Citation as Author | Index Herbariorum, ed. 7 | 
| Citation as Author | Email message on the variant name from Brain Bates | 
| Citation as Collector | Index Herbariorum - Collectors E-H | 
| Member of teams/groups |  | 
| Holdings | Search for specimens collected by R. A. Ferreyra | 
| Collections in | [no date] (1),  1946 (8),  1947 (23),  1948 (5),  1949 (4),  1950 (10),  1952 (4),  1953 (2),  1955 (2),  1957 (1),  1958 (1),  1961 (2),  1967 (7),  1970 (5),  1981 (1) | 
| Collector Teams: | R. A. Ferreyra & S. Sánchez  R. A. Ferreyra & C. Acleto O.  R. A. Ferreyra & J. J. Wurdack  R. Ferreyra & O. Tovar  R. Ferreyra & E. Cerrate | 
| Author Teams: | Ferreyra & Wurdack |