| Author | Year | Title | Source | |
|---|---|---|---|---|
 |
Brook, A.J. & Williamson, D.B. | 2010 | A Monograph on some British Desmids | 172, 364pp, The Ray Society, London |
Penium (a genus of desmids) may also be included in identification literature listed under the following higher taxa:
 NBN (data.nbn.org.uk)
has a distribution map for Penium (a genus of desmids)
|
 BioInfo (www.bioinfo.org.uk)
has 1 host/parasite/foodplant and/or other relationships for Penium (a genus of desmids)
|
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