Adiantum petiolatum

stalked maidenhair fern

As recorded: Adiantum petiolatum Desv.

Plantae › Tracheophyta › Polypodiopsida › Polypodiales › Pteridaceae

Collected by: Stewart, A.
Collector number: 226
Date: August 1, 1912
Locality: Stream leading into Wafer Bay
Island: Cocos Island National Park
Region: Costa Rica
Record type: Preserved specimen

Adiantum petiolatum observed alive

This specimen was collected in 1912. Since 2000, iNaturalist observers have recorded 118 research-grade sightings in the wild, most recently on 2026-09-12.

2026-09-12

297C+W8 - Pacatuba, CE, 61800-000, Brasil

(c) leojales, some rights reserved (CC BY-NC)

2026-07-30

Trinidad and Tobago

(c) Omar Monzon Carmona, some rights reserved (CC BY-NC)

2026-07-30

Trinidad and Tobago

(c) Omar Monzon Carmona, some rights reserved (CC BY-NC)

2026-06-29

X8CH+34P, Burunga, Provincia de Panamá Oeste, Panamá

(c) Carlos Ojo, some rights reserved (CC BY-NC)

2026-06-23

Puerto Rico

(c) Omar Monzon Carmona, some rights reserved (CC BY-NC)

2026-06-16

Puerto Rico

(c) Omar Monzon Carmona, some rights reserved (CC BY-NC)

Observations and photos from iNaturalist, shown only when openly licensed.

Cite this specimen

Adiantum petiolatum. BISH 96508. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956319025. Accessed via explore.bishopmuseum.org/specimens/bish/96508.

Record sources

GBIF occurrence 5956319025 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026