There is an image of this
cultivar on the
Hosta Library. From the photo on the HL website, it appears to be a large
size hosta with green leaves and double white
plantaginea-type flowers. This non-registered cultivar was
Wade of Wade and Gatton Nursery (Closed 2019) of Ohio.
The Hostapedia by
Mark Zilis (2009),
'Richland Yea' = 'Yea'. We also notice that the plant
description appear to be the same.