Figures from a research article studying gene expression in different tissues of Scots pine. The illustrations of pine organs and tissues are freely available in Wikimedia commons
Cervantes S, Vuosku J, Pyhäjärvi T. 2021. Atlas of tissue-specific and tissue-preferential gene expression in ecologically and economically significant conifer Pinus sylvestris. PeerJ 9:e11781 https://doi.org/10.7717/peerj.11781