| Name | Lagasca y Segura, Mariano |
| Date of birth | 1776 |
| Date of death | 1839 |
| Remarks | [author note: Specimens at BM, BR, C, FI, G, LD, MA, MEXU, MICH, OXF; "types probably mainly at MA and FI" -- TL2] |
| ASA Botanist ID | 101128 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ee1204ab-73f6-4411-a08f-278be085f1d5 |
| Variant name | Mariano Lagasca y Segura |
| Author name | Lagasca |
| B & P Author Abbrev. | Lag. |
| Standard/Label Name | M. Lagasca y Segura |
| Full Name | Lagasca y Segura, Mariano |
| Geography Author | Spain |
| Specialty Author | Bryophytes |
| Specialty Author | Pteridophytes |
| Specialty Author | Spermatophytes |
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew |
| Citation as Author | Taxonomic Literature. Second Edition. Utrecht |
| Member of teams/groups | |
| Author in | Gen. Sp. Pl. [Lagasca] |
| Author in | Amen. Nat. Espan. |
| Author in | Mem. Pl. Barrill. |
| Author in | Elench. Pl. (Lagasca) |
| Collector Teams: | Lagasca & Rodriguez Sessé & Lagasca M. Lagasca y Segura & J. D. Rodriguez |
| Author Teams: | Lagasca & Rodriguez Sessé & Lagasca Lag. & Rodr. |