There's a larger issue here, one that's apparent when you consider that 94% of the seed varieties available to farmers and gardeners in 1900 have been lost, never to be grown again.
Saving Seeds Today Protects Food Systems Tomorrow – Food Tank
The Seed Underground - Chelsea Green Publishing
Can Eating Heirloom Beans Help Save The Planet? - Shop Foodocracy
Unlock the Health Benefits of Heirloom Seeds
What does it cost to save an heirloom variety from extinction? - The Diggers Club
The Joys & Benefits of Seed Saving - Regenerative Designs Australia - Landscape Design & Garden Design
Jibe'n Espresso
Save The Seeds
What's all the fuss with Heritage Seeds?, by GreenFriends UK