The library is a very comprehensive reference collection of orchid literature
providing an excellent research resource. It includes more than 3'000 volumes,
amongst them an irreplaceable collection of rare and precious folio books since
the early 19th century, many
with hand-coloured illustrations. These volumes often contain the
original illustrations of orchid species, they are amongst the best examples
of the few copies still in existence, and they provide a resource which is
The collection of more modern reference books is complete,
and as such is an exceptionally rare and valuable resource for orchid research.
It includes regional floras from all over the world, revisions of genera and groups
(often highly illustrated), and many other reference volumes. The entire collection
has been catalogued, and is included in the
University of Basel library catalogue.
The separata collection, of ca. 5'000 scientific articles on the Orchidaceae, is
drawn from numerous sources including a very wide range of scientific journals,
and provides an exceptionally rich complementary collection of orchid literature.