Never heard of it so for others https://en.wikipedia.org/wiki/Shipova https://en.wikipedia.org/wiki/Shipova Can't cross with an apple but can with a whitebeam,

Never heard of it so for others https://en.wikipedia.org/wiki/Shipova https://en.wikipedia.org/wiki/Shipova Can't cross with an apple but can with a whitebeam, I wouldn't have believed it. Amazing, thanks.