@Book{1969025093,
author="Raam, Joop van",
title="matrix key for the determination of Characeae",
series="Ecological assessment procedure for macrophytes {\&} Characeen Deutschlands III",
year="2009",
publisher="Rostock : Universit{\"a}t Rostock, Institut f{\"u}r Biowissenschaften, 2009",
address="Rostock",
note="van Raam, Joop",
doi="10.18453/rosdok_id00005327",
url="https://purl.uni-rostock.de/rosdok/id00005327",
url="https://doi.org/10.18453/rosdok_id00005327",
language="English"
}