SAMPLES ARE CURRENTLY UNAVAILABLE. Please contact the NEON Biorepository for information about when these samples will become available. Individual zooplankton removed from the archived sample to be included in the taxonomist's reference collection (NEON sample class: zoo_perVial_in.referenceID). Reference collections are deposited at the NEON Biorepository at the end of a taxonomist’s contract period. Reference collections are archived in glass vials and stored in a temperature (17-18°C) and humidity controlled environment. Specimens are preserved in 70-95% ethanol. See AOS Protocol and Procedure: Zooplankton Sampling in Lakes and NEON Aquatic Sampling Strategy (https://data.neonscience.org/documents) for more information about this sample class.