Phytoplankton identification and abundance measured using the Imaging Flowcytobot (ifcb) Green-Edge Amundsen cruise, data acquired by Pierre-Luc Grondin and analyzed by Philippe–Israel Morin and Joannie Ferland. Please see the meta-information documents for methods and description. Data is available for Leg2b only (Transect 5 to 7). Data has been analyzed and is available through the Ecotaxa website: https://ecotaxa.obs-vlfr.fr/explore/ Please contact Joannie Ferland via email (joannie.ferland@takuvik.ulaval.ca) in order to obtain a login and permission to access the data. Future post-processing will be done in order to visualize the data in a manner not involving Ecotaxa, as well as final correction for sampled volume.