Cupressocyparis

• Botany.com: Cupressocyparis - Leyland Cypress  - Contains description, potting and propagation information. Includes varieties and links.
• BugWood: Leyland Cypress – X Cupressocyparis leylandii  - Contains information on the characteristics and propagation. With photos.
• Floridata: Cupressocyparis Leylandii  - Provides information on features, description, culture, location and usage. With photos.