Abstract: New lettuce varieties designated ‘Paonia’ and ‘Newcastle’ are described. ‘Paonia’ and ‘Newcastle’ are lettuce varieties exhibiting stability and uniformity.

Abstract: Certain aspects of the present disclosure relate to upright heading iceberg lettuce plants including a space between the base of the head and the top of the ground, wherein the space includes an increased length of core outside of the processing material of the head (i.e., external stem). The increased external stem lengths of the upright heading iceberg lettuce plants of the present disclosure make them suitable for machine harvesting. Other aspects of the present disclosure relate to methods of generating and selecting upright heading iceberg lettuce plants. New upright heading iceberg lettuce varieties designated ‘E01E.70111’ Lot A, ‘E01E.70111’ Lot B, ‘E01E.70168’ Lot A, and ‘E01E.70168’ Lot B are described.

Abstract: New lettuce varieties designated ‘Paonia’ and ‘Newcastle’ are described. ‘Paonia’ and ‘Newcastle’ are lettuce varieties exhibiting stability and uniformity.

Abstract: Certain aspects of the present disclosure relate to upright heading iceberg lettuce plants including a space between the base of the head and the top of the ground, wherein the space includes an increased length of core outside of the processing material of the head (i.e., external stem). The increased external stem lengths of the upright heading iceberg lettuce plants of the present disclosure make them suitable for machine harvesting. Other aspects of the present disclosure relate to methods of generating and selecting upright heading iceberg lettuce plants. New upright heading iceberg lettuce varieties designated ‘E01E.70111’ Lot A, ‘E01E.70111’ Lot B, ‘E01E.70168’ Lot A, and ‘E01E.70168’ Lot B are described.

Abstract: Certain aspects of the present disclosure relate to upright heading iceberg lettuce plants including a space between the base of the head and the top of the ground, wherein the space includes an increased length of core outside of the processing material of the head (i.e., external stem). The increased external stem lengths of the upright heading iceberg lettuce plants of the present disclosure make them suitable for machine harvesting. Other aspects of the present disclosure relate to methods of generating and selecting upright heading iceberg lettuce plants. New upright heading iceberg lettuce varieties designated ‘E01E.70111’ Lot A, ‘E01E.70111’ Lot B, ‘E01E.70168’ Lot A, and ‘E01E.70168’ Lot B are described.

Abstract: New lettuce varieties designated ‘Bayfield’ and ‘Pueblo’ are described. ‘Bayfield’ and ‘Pueblo’ lettuce varieties exhibit stability and uniformity.

Abstract: New lettuce varieties designated ‘Westminster’, ‘Somerset’, and ‘Henderson’ are described. ‘Westminster’, ‘Somerset’, and ‘Henderson’ are lettuce varieties exhibiting stability and uniformity.

Abstract: New lettuce variety designated ‘Somerset’ is described. ‘Somerset’ is a lettuce variety exhibiting stability and uniformity.

Abstract: Certain aspects of the present disclosure relate to upright heading iceberg lettuce plants including a space between the base of the head and the top of the ground, wherein the space includes an increased length of core outside of the processing material of the head (i.e., external stem). The increased external stem lengths of the upright heading iceberg lettuce plants of the present disclosure make them suitable for machine harvesting. Other aspects of the present disclosure relate to methods of generating and selecting upright heading iceberg lettuce plants. New upright heading iceberg lettuce varieties designated ‘E01E.70111’ Lot A, ‘E01E.70111’ Lot B, ‘E01E.70168’ Lot A, and ‘E01E.70168’ Lot B are described.

Abstract: New lettuce varieties designated ‘Westminster’, ‘Somerset’, and ‘Henderson’ are described. ‘Westminster’, ‘Somerset’, and ‘Henderson’ are lettuce varieties exhibiting stability and uniformity.

Abstract: New lettuce varieties designated ‘Bayfield’, ‘Pueblo’, ‘E01K30081’, ‘Kalista’, ‘Ezbruke’, ‘Buckley’, and ‘E01L30286’ are described. ‘Bayfield’, ‘Pueblo’, ‘E01K30081’, ‘Kalista’, ‘Ezbruke’, ‘Buckley’, and ‘E01L30286’ are lettuce varieties exhibiting stability and uniformity.

Abstract: A new lettuce variety designated ‘Bandelier’ is described. ‘Bandelier’ is a crisp lettuce variety exhibiting stability and uniformity.

Abstract: A lettuce cultivar designated Denali is disclosed. The invention relates to the seeds of lettuce cultivar Denali, to the plants of lettuce cultivar Denali and to methods for producing a lettuce plant by crossing the cultivar Denali with itself or another lettuce cultivar. The invention further relates to methods for producing a lettuce plant containing in its genetic material one or more transgenes and to the transgenic lettuce plants and plant parts produced by those methods. This invention also relates to lettuce cultivars or breeding cultivars and plant parts derived from lettuce cultivar Denali, to methods for producing other lettuce cultivars, lines or plant parts derived from lettuce cultivar Denali and to the lettuce plants, varieties, and their parts derived from the use of those methods. The invention further relates to hybrid lettuce seeds, plants, and plant parts produced by crossing cultivar Denali with another lettuce cultivar.

Abstract: A new lettuce variety designated ‘Bandelier’ is described. ‘Bandelier’ is a crisp lettuce variety exhibiting stability and uniformity.

Abstract: A lettuce cultivar designated Denali is disclosed. The invention relates to the seeds of lettuce cultivar Denali, to the plants of lettuce cultivar Denali and to methods for producing a lettuce plant by crossing the cultivar Denali with itself or another lettuce cultivar. The invention further relates to methods for producing a lettuce plant containing in its genetic material one or more transgenes and to the transgenic lettuce plants and plant parts produced by those methods. This invention also relates to lettuce cultivars or breeding cultivars and plant parts derived from lettuce cultivar Denali, to methods for producing other lettuce cultivars, lines or plant parts derived from lettuce cultivar Denali and to the lettuce plants, varieties, and their parts derived from the use of those methods. The invention further relates to hybrid lettuce seeds, plants, and plant parts produced by crossing cultivar Denali with another lettuce cultivar.

Abstract: A lettuce cultivar, designated Boulder, is disclosed. The invention relates to the seeds of lettuce cultivar Boulder, to the plants of lettuce cultivar Boulder and to methods for producing a lettuce plant by crossing the cultivar Boulder with itself or another lettuce cultivar. The invention further relates to methods for producing a lettuce plant containing in its genetic material one or more transgenes and to the transgenic lettuce plants and plant parts produced by those methods. This invention also relates to lettuce cultivars or breeding cultivars and plant parts derived from lettuce cultivar Boulder, to methods for producing other lettuce cultivars, lines or plant parts derived from lettuce cultivar Boulder and to the lettuce plants, varieties, and their parts derived from the use of those methods. The invention further relates to hybrid lettuce seeds, plants, and plant parts produced by crossing cultivar Boulder with another lettuce cultivar.

Abstract: A lettuce cultivar, designated Manitou, is disclosed. The invention relates to the seeds of lettuce cultivar Manitou, to the plants of lettuce cultivar Manitou and to methods for producing a lettuce plant by crossing the cultivar Manitou with itself or another lettuce cultivar. The invention further relates to methods for producing a lettuce plant containing in its genetic material one or more transgenes and to the transgenic lettuce plants and plant parts produced by those methods. This invention also relates to lettuce cultivars or breeding cultivars and plant parts derived from lettuce cultivar Manitou, to methods for producing other lettuce cultivars, lines or plant parts derived from lettuce cultivar Manitou and to the lettuce plants, varieties, and their parts derived from the use of those methods. The invention further relates to hybrid lettuce seeds, plants, and plant parts produced by crossing cultivar Manitou with another lettuce cultivar.

Abstract: A lettuce cultivar, designated ‘Steamboat’, is disclosed. The invention relates to the seeds of lettuce cultivar ‘Steamboat’, to the plants of lettuce cultivar ‘Steamboat’ and to methods for producing a lettuce plant by crossing the cultivar ‘Steamboat’ with itself or another lettuce cultivar. The invention further relates to methods for producing a lettuce plant containing in its genetic material one or more transgenes and to the transgenic lettuce plants and plant parts produced by those methods. This invention also relates to lettuce cultivars or breeding cultivars and plant parts derived from lettuce cultivar ‘Steamboat’, to methods for producing other lettuce cultivars, lines or plant parts derived from lettuce cultivar ‘Steamboat’ and to the lettuce plants, varieties, and their parts derived from the use of those methods. The invention further relates to hybrid lettuce seeds, plants, and plant parts produced by crossing cultivar ‘Steamboat’ with another lettuce cultivar.

Abstract: A lettuce cultivar, designated Boulder, is disclosed. The invention relates to the seeds of lettuce cultivar Boulder, to the plants of lettuce cultivar Boulder and to methods for producing a lettuce plant by crossing the cultivar Boulder with itself or another lettuce cultivar. The invention further relates to methods for producing a lettuce plant containing in its genetic material one or more transgenes and to the transgenic lettuce plants and plant parts produced by those methods. This invention also relates to lettuce cultivars or breeding cultivars and plant parts derived from lettuce cultivar Boulder, to methods for producing other lettuce cultivars, lines or plant parts derived from lettuce cultivar Boulder and to the lettuce plants, varieties, and their parts derived from the use of those methods. The invention further relates to hybrid lettuce seeds, plants, and plant parts produced by crossing cultivar Boulder with another lettuce cultivar.

Abstract: A lettuce cultivar, designated Manitou, is disclosed. The invention relates to the seeds of lettuce cultivar Manitou, to the plants of lettuce cultivar Manitou and to methods for producing a lettuce plant by crossing the cultivar Manitou with itself or another lettuce cultivar. The invention further relates to methods for producing a lettuce plant containing in its genetic material one or more transgenes and to the transgenic lettuce plants and plant parts produced by those methods. This invention also relates to lettuce cultivars or breeding cultivars and plant parts derived from lettuce cultivar Manitou, to methods for producing other lettuce cultivars, lines or plant parts derived from lettuce cultivar Manitou and to the lettuce plants, varieties, and their parts derived from the use of those methods. The invention further relates to hybrid lettuce seeds, plants, and plant parts produced by crossing cultivar Manitou with another lettuce cultivar.