Institute of Plant Science and Resources Okayama University
Group of  Wild Plant Science  

The image database of
naturalized plant seeds in Japan.
1427 species are now on exhibition.

The number of specimen(Mar.31,2014)

Seed Frozen Seed Herbarium Specimen
Family 224 210 263
Species 5,659 4,041 6,666
Accession 34,218 18,442 70,281

Please cooperate with us for the collection and
conservation of wild plant seeds

We collect wild plant seeds like weeds and ruderal plants
and conserve them on the condition of existence.
We conserve all kinds of plants like seaside plants, aquatic weeds, endangered plants and wild plants.

Click here to study more about our seed collection and conservation activities, how to send your seed.

The List of Naruralized Plants in Japan The List of Seaside Plants in Okayama Pref. The List of Aquatic Weeds in Okayama Pref.
The List of Weeds in Japan The List of Gramineae in Okayama Pref.
Research on Species Diversity in Okayama Pref. The Pictures of the Exotic Weeds
(National Agriculture and Food Research Organization)
Closely Related Species Compared by Seeds
Research on Distribution of Andropogon virginicus L.


Group of Wild Plant Science, Institute of Plant Science and Resources, Okayama University
20-1, Chuo 2-chome Kurashiki City, Okayama 710-0046 Japan
TEL&FAX: +81 86-434-1240


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