| Author | Clapham, A.R. |
| Title | Ecology and critical groups |
| Type | Chapter in… |
| Source | Warburg, E.F. Cytology and critical groups, 6pp, British Flowering Plants and Modern Systematic Methods |
| Review (by Malcolm Storey) | Defines a "critical group" and discusses Dactylorchis, Limonium and others. |
| Notes & Purpose | Status | Taxon | English | Classification |
|---|---|---|---|---|
| Current | Limonium | sea lavenders | Plantae: Caryophyllales: Plumbaginaceae | |
| Current | Dactylorhiza | marsh orchids | Plantae: Asparagales: Orchidaceae |
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