Internet Links for IGG

Plant Databases

SANBI’s PlantZAfrica gives popular information on southern African plants including many Pelargoniums and related topics:

iNaturalist is an open citizen science project to identify photos of  biodiversity by connecting a community of over a million scientists and naturalists. It contains over 22,000 observations of Pelargoniums and 2,200 Geraniums and is a joint initiative by the California Academy of Sciences and National Geographic Society with SANBI is a partner:

SANBI’s Red List of South African Plants provides the national conservation status of indigenous plants:

SANBI’s NewPOSA provides access to over 1.6 million records of South African specimens including herbaria in Pretoria (PRE), Cape Town (NBG & SAM) and Durban (NH):

Index Herbariorum lists herbarium abbreviations following Thiers, B. (2018) and is a global directory of herbaria and their staff, hosted by the New York Botanical Garden’s Virtual Herbarium:

JSTOR Global Plants is a growing collection of digitized herbarium type specimens and related materials (partner institutional membership required):

IPNI – International Plant Names Index aims to list all validly-published plant names and is a collaboration between Kew, Harvard and the Australian National Herbarium. It also contains standard abbreviations for author names following guidelines in Brummitt & Powell (1992) and for book & periodical names:

POWO – Plants of the World Online, launched by Kew and their collaborators, lists accepted plant names and their synonyms, built upon Govaerts, R. (1995) World Checklist of Seed Plants:

Literature Databases

BHL – Biodiversity Heritage Library portal provides open digital library access to older botanical literature. Many IPNI plant names provide direct links to their page of first description:

JSTOR online digital library portal, part of the ITHAKA not-for-profit organization, helps the academic community access rights-cleared journal articles, books and primary sources:

The International Code of Nomenclature (ICN – Shenzhen Code) is the set of rules and recommendations that govern the scientific Latin naming of plants in nature:

The International Code for the Nomenclature for Cultivated Plants (ICNCP):

A botanical glossary:

Comprehensive taxonomic glossary: Hawksworth, D.L. (2010) Terms Used in Bionomenclature, Global Biodiversity Information Facility (GBIF):

Geographical Information Systems (GIS)

Google Earth is a computer app that maps the Earth by superimposing satellite images, aerial photography and GIS data onto a 3D globe, allowing users to see landscapes from various angles and contains a detailed gazetteer: This data is also viewable via a web browser and the Google Maps Satellite layer.

CapeFarmMapper is a mapping app that was developed by the SA Western Cape Department of Agriculture to provide access to a wide variety of agricultural and natural resource spatial data sets e.g. climate, geology, topography:

Very detailed 1:50,000 old topographic maps of South Africa are freely available from but need a special GIS viewer (also free) e.g. DIVA-GIS: or Extensis (formerly LizardTech) GeoViewer:

South African vegetation map:, register & see: 2018 Vegetation Map.