White Lammas is listed by John Ray in 1650 and also mentioned by Ellis in 1753 but not thereafter in an English context. However it became the first popular wheat with Australian settlers and from there spread to West Coast of US.

Reference #1

Catalogus plantarum circa Cantabrigiam nascentium by John Ray, 1660 LINK

Reference #2

Wheat Varieties Grown in 19th Century Australia by Dirk H.R. Spennemann, 2001 LINK

Identification images

White Lammas link

Germplasm

AUS 11138 AWCC (AUS) #11138

Firwhill VIR (RUS) #k55542

Firwhill USDA-ARS (USA) #PI 107608

Firwhill AWCC (AUS) #2414

Lambrigg White Lammas AWCC (AUS) #3666

Lambrigg-White Lammas AWCC (AUS) #11423

Pacific Bluestem ACW (CHE) #310

Pacific Bluestem VIR (RUS) #k22025

Pacific Bluestem USDA-ARS (USA) #CItr 4067

Pacific Bluestem AWCC (AUS) #3137

Wagga White Lammas AWCC (AUS) #1600

Wagga White Lammas AWCC (AUS) #6119

Wagga White Lammas AWCC (AUS) #1601

White Australia AWCC (AUS) #3538

White Australian VIR (RUS) #k5746

White Australian USDA-ARS (USA) #PI 45424

White Australian IPK (DEU) #TRI 22920

White Lammas AWCC (AUS) #1658

White Lammas AWCC (AUS) #12102

White Lammas AWCC (AUS) #1659

White Lammas USDA-ARS (USA) #PI 114639