AuthorLansdown, R.V.
Year2008
TitleWater-starworts Callitriche of Europe
ISBN0-901158-36-4
SeriesHandbook
TypeBook/Report
How CompleteAll the British and European species known at the time
SourceHandbook, No. 11, 180pp, Botanical Society of Britain and Ireland (BSBI)
IllustrationsLine drawings
Review (by Malcolm Storey)

A comprehensive guide to these familiar, but usually ignored, plants of watery habitats and muddy margins.

Introductory sections describe the anaotomy of Callitriche, how to find the flowers, fruits etc. and how to examine the diagnostic features.

Keys to the 21 European taxa, and to the 9 taxa found in Britain and Ireland are presented. For each area, two keys are given: the first using "field" characters and a second using more critical microscope-based characters.

The species accounts follow the keys. These are longer than in previous works in the series as they include descriptions and a page of drawings of microscopic details, as well as European distribution maps in addition to those for our area.

This is a rather more technical publication than others in the series.

It will be interesting to see if including details of the European taxa will result in some of them being found in Britain and Ireland.

Examine with x8 or x10 hand lens ( Compound Microscope is also useful)
Specimen PreparationCritical identification requires microscopic examination of fruit sections and pollen.
Identification difficultySome experience useful.

Notes & PurposeStatusTaxonEnglishClassification
For identification, contains Checklist, Distribution mapCurrentCallitrichewater-starwortsPlantae: Lamiales: Plantaginaceae
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