It seems that, in most areas of my life, I tend to like things that not many other people do. I play go. There are chess players like mad in the US, but hardly any go players. I like plant keys. You can't buy them at Barnes & Noble. I like permaculture. You can't find any permaculture books at Barnes & Noble.
Now I'm looking for loganberry bushes or seeds, which were supposedly developed in California, but I can find no online suppliers other than the UK. Same goes for the actual variety I want -- LY654, the thornless loganberry -- only in UK and Australia, it would seem. I'm also considering a kaya tree for the nuts (and maybe the great-great-great-great-great-great-great-etc---grandkids could make an EXTREMELY valuable go board out of it). But the ones good for the nuts are the shibunashigayas ("gaya = kaya"), which I would guess are only available in Japan, from the looks of it.
My moringa seeds are here though! The seedlings died en route, so I'm planting seeds. I put them in the ground a couple days ago and waiting with eager anticipation for any sign of life.
And then there's licorish mint (anise hyssop)... I wonder if that is sold somewhere in this hemisphere. Oh, yeah, there it is. Fairly common. localharvest.org
And the banana yucca seedlings were easy enough. Weird. You hit or miss, I guess.