Loose-leaf varieties like oak leaf, red leaf and Batavian lettuce are popular with gourmets, but are relatively unknown in grocery stores.
(Loose-leaf varieties like oak leaf, red leaf and Batavian lettuce; are; popular with gourmets) (Loose-leaf varieties like oak leaf, red leaf and Batavian lettuce; are; relatively unknown in grocery stores)
Loose-leaf varieties like oak leaf, red leaf and Batavian lettuce Loose-leaf varieties like oak leaf, red leaf and Batavian lettuce
are are
popular with gourmets
relatively unknown in grocery stores