Examples
- Fertile soil supports plants such as nettles, chickweed, groundsel and fat hen.
- Nitrogen-deficient conditions are indicated by the presence of nitrogen fixing legumes such as clovers or vetches.
- Bluebells are very competitive, in other words whenever they occur, they occur frequently.
- Bracken, plantains, sorrel, knapweeds, rhododendron and cranberries are amongst the plants that favour acidic conditions, while alkaline conditions tend to support populations of perennial sow thistle, bladder campion, henbane and mustard.
- Waterlogged or poorly drained land is indicated by the presence of species such as mosses, creeping buttercup and horsetail, or bog loving plants including sedges, rushes, marsh marigold, marsh orchid or flag iris.
See also: Organic gardening
Read more about this topic: Indicator Plant
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