| Name | Lapham, Increase Allen |
| Date of birth | 1811 |
| Date of death | 1875 |
| Remarks | [author note: Herbarium and types: WIS (24,000); additional material at B, DWC (66), E, FH (Tuckerman herb.), GH, GRA, K, MASS, MO, OXF, US] [collector note: B, DWC, E, GH, GRA, K, MASS, MO, OXF, WIS] |
| ASA Botanist ID | 143548 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3d3622dc-3298-44e6-9670-2f0772113d3b |
| Variant name | Increase Allen Lapham |
| Author name | Lapham |
| B & P Author Abbrev. | Lapham |
| Standard/Label Name | I. A. Lapham |
| Full Name | Lapham, Increase Allen |
| Geography Author | United States of America |
| Geography Collector | United States of America |
| Specialty Author | Spermatophytes |
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew |
| Citation as Author | Taxonomic Literature. Second Edition. Utrecht |
| Citation as Collector | Index Herbariorum - Collectors I-L |
| Holdings | Search for specimens collected by I. A. Lapham |
| Collections in | [no date] (89), 1840 (1), 1841 (2), 1843 (1), 1845 (1), 1857 (8), 1858 (5), 1859 (3), 1860 (2), 1865 (1), 1869 (1), 1870 (5), 1872 (1), 1892 (1) |