Daffodils

I am aware that many different varieties of daffodils exist, probably thousands, but who knew that four could be found in a single walk? And in NYC none-the-less. It cheers me to be reminded that even in this not-so-clean city that true beauty can be found. After a bit of Google research, I have tentatively identified the following dafs that I noticed during my Sunday-afternoon stroll.

Trumpet Daffodils - White corona (trumpet or cup) on White perianth segments (petals)
Split-Cupped Daffodils - Yellow on Yellow
Split-Cupped Daffodils: Yellow on White
Poeticus Daffodils: Red-tipped Yellow on White
I know this isn't a daffodil, I find it interesting to observe trees too . . .