western larch Directory References Contents Ask the Chatbot a Question western larch tree Ask the Chatbot a Question Also known as: Larix occidentalis Learn about this topic in these articles:species of larch In larchA taller species, the western larch (L. occidentalis) of the Pacific Northwest, has bracts that protrude beyond the cone scales.Read More Britannica ChatbotChatbot answers are created from Britannica articles using AI. This is a beta feature. AI answers may contain errors. Please verify important information using Britannica articles. About Britannica AI.