Bibio marci larvae are known to be root damage pests of celery, asparagus, roses, saxifrages, lawn grass, lettuce and Polyanthus.
Saxifraga | Pimpinella saxifraga | Saxifraga mertensiana | A larval web in an inflorescence of ''Pimpinella saxifraga |
Above the shrublands are alpine meadows which support a variety of herbaceous plants, including species of Alchemilla, Androsace, Anemone, Diapensia, Draba, Gentiana, Impatiens, Leontopodium, Meconopsis, Pedicularis, Potentilla, Primula, Rhododendron, Saussurea, Saxifraga, Sedum, and Viola.
The larvae feed on various low-growing plants, including Saxifraga, Plantago, Rumex and Campanula species.
The main species in the plant communities here are Upright brome (Bromus erectus), Sheep's Fescue (Festuca ovina), Quaking-grass (Briza media), and downland herbs such as Burnet-saxifrage (Pimpinella saxifraga), Salad-burnet (Sanguisorba minor), Common Milkwort (Polygala vulgaris) and Dwarf Thistle (Cirsium acaule).
He found Saxifraga globulifera in the clefts of rock on the south side of the mountain, as well as other plants that grow on Mount Atlas.