Publications for:

pest = 16SrI phytoplasma group
crop = Lettuce (Lactuca)

found 2 publications:

2014

First report of lettuce chlorotic leaf rot disease caused by phytoplasma in China
Plant Disease (2014) 98 (10), p.1425
publishers website - pestinfo wiki

2009

Phytoplasma diseases and their relationships with insect and plant hosts in Canadian horticultural and field crops
The Canadian Entomologist (2009) 141 (5), 425-462
publishers website - pestinfo wiki