What is the current latin name for Alpine Fireweed?
In trying to research this plant I find:
Epilobium latifolium and Chamerion latifolium?
I am going to try germinating some seeds of this as a winter sow.

Epilobium... I think

Now I am not sure???
On the NARGS seed lists --they closed down Epilobium and moved them to Chamerion?
I guess that I will use both on my searches.

That's just the way things go. "Old" names will always hang around, and it's unlikely that will ever change. So knowing (and using) both is the best option.

I donated seed under "Coryphantha vivipara" because that is the species' accepted name in the FOA (Flora of North America). I see though, that it is offered as Escobaria vivipara in the NARGS Seed ex. Laura uses different references, I guess, and that's okay. I know cacti aficionados like to keep the "Escobaria" designation because it makes it easier to differentiate the types in the shorthand of Botanical Latin. I do the same thing with Lilium for my records, too. There will always be new classifications spurred by new technology and study, and even if a new designation system is devised that could deal with the continual changes, you'll still need to "know it all".

Yes, I guess so!
I wish the botanists were more like the chemists,
and develop a system of nomenclature
so there is one systematic name.

There actually is one or more.... where the same name could then be jostled about within the taxonomic hierarchy. But then the name would have no meaning in regard to the plant identity itself, like it could be a number, or something nonsensical. Names would be completely flavorless.
What you want is a common name that would be universal?

Well, Esperanto didn't catch on, either.

According to The Plant List:
Epilobium alpinum L. is a synonym of Epilobium palustre L.
And:
Chamerion angustifolium (L.) Holub is a synonym of Epilobium angustifolium L.

So it would appear that Chamerion is now Epilobium

And GRIN, the national germplasm system that we really rely on at the botanical garden, along with The Plant List and ITIS says:
Taxon: Epilobium angustifolium L.
Synonym of Chamaenerion angustifolium subsp. angustifolium

Note: Chamaenerion versus Chamerion --- different spelling??? Arghhhhhh

Thanks for reviving this thread, Mary.
Now I need to find out what happened to the Alpine Fireweed seeds that I wintersowed!

lol. that is the most important thing.