The image database of
naturalized plant seeds in Japan.
1427 species are now on exhibition.
|The number of specimen（Mar.31,2014）
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.
Dr. Jun YAMASHITA