Germination de la graine de ricin.jpg
Gaston Bonnier
en
Germination de la graine de ricin, Ricinus communis (seedlings), Seedling diagrams, Sketches of plants by Gaston Bonnier, Ricinus communis - botanical illustrations
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ja
種子の種子図、植物のスケッチ、コミュニシウス菌-植物図
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germination germinate castor bean castor-oil plant bonnily ricinus