The Annotated Checklist of the Flowering Plants of Nepal is the most up to date online list of species known from Nepal.

Specimens from the National Herbarium in Kathmandu can be viewed here.

RBGE's Herbarium Catalogue includes many specimens from Nepal.

The University of Tokyo's Flora of Nepal Database includes records of collections in the TI herbarium. The data base is split into two sections, Seed plants and Ferns and fern allies.

The online version of the Flora of China includes keys, descriptions and illustrations of many plants which grow in Nepal.

IPNI, the International Plant Names Index, includes information on the publication of plant names.

TL2 has historical information about authors of plant names.

Biodiversity Heritage Library gives access to scanned versions of the literature in which names were published.

Gallica is an alternative source for the historical literature.

JSTOR allows you to view digitised herbarium specimens, including many types.

The Wallich Catalogue Online is an interactive tool to interpret the information in the Wallich Catalogue.

The Linnaean Plant Name Typification Project contains typification details for all Linnaeus' names.

The Harvard University Herbaria maintain an index of botanists.

Index Herbariorum contains information on the world's herbaria.

The East Himalayan Gazetteer contains coordinates of many collecting localities to the east of Nepal.