Collezionare e scambiarsi semi: l’ultima moda. Per saperne di piú …
Seed collections and exchange: the latest fad. See more on …
http://www.treehugger.com/files/2010/02/seed-safe-by-marti-guixe.php
http://www.mnn.com/the-home/gardening-landscaping/blogs/stash-n-plant-the-seed-safe-from-alessi
http://online.wsj.com/article/SB10001424052748704820904575055181332462128.html