This japanese website ( more like a blog) contains nearly every maple species, form germination in the late 90s to 2022. really cool Japanese Version (Much more recently updated): カエデともみじ English version: Maples & Japanese Culture
the observation of maple germination and growth button has all the observations since germination to 2022
There is, but that version hasnt been updated since 2015. if you use google chrome, theres an auto translate option that usually pops up. anyways , here's the english website link: Maples & Japanese Culture
Observation of Maples germination & growing this link is from the same (english version)website, it contains all of hayashida's observations from 1998 to 2015
i made my own website using google sites, its still new, and will be expanded the more seeds i get Socal Maples