Now this is interesting. "Ayethi" is not a valid system name in FFE. The name was apparently incorrect in the journals, it should have been Ayethti [-3, -1]. So that implies that FD bought systems into ED from FFE based on the journals. Note that the Ayethi system in ED bears no resemblance to Ayethti in FFE except both have a Earth-like world named Topaz. So was Liaququ somehow missed, or...? Given that I've found several errors in the systems imported from real world catalogues, I wouldn't bet it was deliberately excluded.
Do you happen to have a list of all FFE system names in the lore or at least the journals? I'm not sure I feel like wading through all the journal entries. If not I'll check this list: http://www.frontierastro.co.uk/Gazetteer/intro.html
Unfortunately no - your link above (which I believe is canon - most of that site, or at least the mission info, is I think) and a similarly incomplete FFE gazetteer (perhaps this one: http://www.jades.org/guideg.htm, likely not canon) are the only two lists I have seen. In addition to systems mentioned in the Journals, those mentioned in the mission text for FFE may also be of interest (see links to missions, broken missions, and 3255 and all that here: http://www.jades.org/ffe.htm ).
I thought about compiling a list from the Journals and Missions some time ago, but time, life, etc. There is a bit more info on some systems here, but it may not all be canon as some of this is fan written: http://wiki.alioth.net/index.php/Main_Page
Edit: And the dreamware link Han Zen posted is canon also, of course.
Edit 2: We have noted similar minor discrepancies in some of the systems brought into ED. Some are now terraformed with different planetary conditions, for example (IIRC Merlin is one of these?). So obviously updated deliberately. I have a few other examples noted at home, will try to dig them out later tonight. Work beckons, sadly.
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