Description
Data Records
The data in this checklist resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 170 records.
This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.
Versions
The table below shows only published versions of the resource that are publicly accessible.
How to cite
Researchers should cite this work as follows:
Myer B, Floyd K (2026). Checklist of Alien Vascular Plants of Tristan da Cunha. Version 1.2. Kaitiaki o te Ngahere. Checklist dataset. https://ipt.gbif.org.nz/resource?r=checklist_of_alien_plants_tristan-da-cunha&v=1.2
Rights
Researchers should respect the following rights statement:
The publisher and rights holder of this work is Kaitiaki o te Ngahere. To the extent possible under law, the publisher has waived all rights to these data and has dedicated them to the Public Domain (CC0 1.0). Users may copy, modify, distribute and use the work, including for commercial purposes, without restriction.
GBIF Registration
This resource has been registered with GBIF, and assigned the following GBIF UUID: bc6a6325-f688-4d47-9eae-8e0526eb9598. Kaitiaki o te Ngahere publishes this resource, and is itself registered in GBIF as a data publisher endorsed by GBIF New Zealand.
Keywords
Checklist; Tristan da Cunha; Conservation; Biodiversity; invasives alien species
Contacts
- Point Of Contact
- Director
- Originator
- Point Of Contact
- Director
Geographic Coverage
Alien vascular plants from Tristan Da Cunha
| Bounding Coordinates | South West [-90, -180], North East [90, 180] |
|---|
Taxonomic Coverage
Alien vascular plants
| Kingdom | Plantae |
|---|---|
| Phylum | Streptophyta |
| Class | Pinopsida, Magnoliopsida, Liliopsida |
| Order | Dipsacales, Geraniales, Cucurbitales, Asterales, Arecales, Ericales, Solanales, Alismatales, Fagales, Ranunculales, Laurales, Poales, Malpighiales, Asparagales, Myrtales, Zingiberales, Malvales, Boraginales, Lamiales, Caryophyllales, Liliales, Vitales, Rosales, Fabales, Saxifragales, Commelinales, Brassicales, Pinales, Gentianales, Cornales, Oxalidales, Apiales |
| Family | Commelinaceae, Corynocarpaceae, Lamiaceae, Malvaceae, Araliaceae, Oxalidaceae, Pittosporaceae, Myrtaceae, Campanulaceae, Scrophulariaceae, Cannaceae, Plantaginaceae, Liliaceae, Rosaceae, Cyperaceae, Amaryllidaceae, Vitaceae, Arecaceae, Apiaceae, Asparagaceae, Cupressaceae, Solanaceae, Caryophyllaceae, Pinaceae, Iridaceae, Papaveraceae, Araceae, Polygonaceae, Onagraceae, Poaceae, Geraniaceae, Brassicaceae, Rubiaceae, Juncaceae, Fabaceae, Aizoaceae, Crassulaceae, Violaceae, Urticaceae, Araucariaceae, Caprifoliaceae, Boraginaceae, Tropaeolaceae, Lauraceae, Asphodelaceae, Moraceae, Verbenaceae, Hydrangeaceae, Casuarinaceae, Convolvulaceae, Primulaceae, Nyctaginaceae, Amaranthaceae, Asteraceae, Salicaceae, Euphorbiaceae |
Project Data
Rapidly spreading invasive plant species threaten unique biodiversity values and community livelihoods in the Tristan archipelago. This project will eradicate all known New Zealand Flax plants on Inaccessible Island World Heritage Site, plus train and enable a Tristan-led eradication of all emergent Pōhutukawa trees and self-sown Monterey pine on Tristan itself. A comprehensive survey of all Tristan’s other invasive plants will provide Tristan Conservation with a prioritised long-term management & eradication strategy, safeguarding natural habitats and vital agricultural land. This project is managed by the Royal Society for the Protection of Birds
| Title | Building Capacity for Invasive Plant Management across Tristan’s Northern Islands |
|---|---|
| Identifier | DPLUS191 |
| Funding | This project is generously supported by Darwin Plus. DPLUS191 is a main sized project. https://darwinplus.org.uk/project/DPLUS191 |
| Study Area Description | The Tristan archipelago is one of the remotest in the world, home to 95+ unique species which have evolved in isolation. With the transport of people and goods across the globe, many plant species have been introduced into novel areas, with devastating and far-reaching consequences for the native biodiversity. |
| Design Description | The project will support Tristanian-led efforts to eradicate the estimated 8-9k emergent Pōhutukawa which occur over a c.100ha area on Tristan. Tristanians will also lead on removal of all self-sown Monterey pine, a notorious invasive which is spreading from one planted timber stand into both pastureland and natural sites. A NZ-based invasive plant expert (Bradley Myer and Kelvin Floyd from Indigena Biosecurity International) will provide in-person safe herbicide training and eradication protocol / strategy development support, plus work alongside Tristanians to re-map and strategise around the other invasive plant species previously identified on Tristan itself. The project will also complete the final three years of eradication effort estimated required to remove all emergent flax plants within the known invaded area on Inaccessible Island, delivering one of the primary conservation management objectives for this UK World Heritage Site |
| Project Award |
Enabling invasive plant eradications and long-term management in Tristan Darwin Plus (main) DPLUS191 https://darwinplus.org.uk/project/DPLUS191 |
The personnel involved in the project:
- Content Provider
Sampling Methods
Data in 2023 and 2025 was recorded directly onto mobile digital devices and the synced to the cloud
| Study Extent | An extensive survey was conducted by Gremmen and Halbertsma, in 2007 - 2008. They spent 4 months on the island and identified 137 alien vascular plant species and documented the threats they pose to the island’s unique endemic biodiversity and agricultural production. Kelvin Floyd and Bradley Myer visited the island in 2023 and 2025 respectively. Their focus was re assessing the highest priority species based on the ecological impact of the alien invasive species. Alien species are primarily focused around the settlement of Edinburgh of the Seven Seas. |
|---|---|
| Quality Control | In 2023 and 2025 data was selected from dropdown lists, which included the species list from Gremmen and Halbertsma, in 2007 - 2008. There were fields for including adventive species. Plantnet was used to verify unknown species. |
Method step description:
- Data was recorded in the field then synced to the cloud and then aggregated with the other datasets.
Additional Metadata
| Acknowledgements | |
|---|---|
| Introduction | |
| Getting Started | |
| Purpose | |
| Alternative Identifiers | bc6a6325-f688-4d47-9eae-8e0526eb9598 |
| https://ipt.gbif.org.nz/resource?r=checklist_of_alien_plants_tristan-da-cunha |