MATERIALS AND METHODS

• Collection of root and rhizosphere soil samples

• Isolation of spores from field-collected root-rhizosphere soil mixtures

• Establishment of trap and one-species pot cultures

• Making diagnostic slides

• Clearing roots and staining of mycorrhizae

• Determination of shapes, dimensions and colours of spores, layers, and mycorrhizae

• Taking photographs of spores and mycorrhizae

• Storage of field-collected root-rhizosphere soil mixtures, spores, and mycorrhizae

• Storage of soil-root-spore mixtures from living pot cultures

• Voucher specimens

• Data on the locality of occurrence, plant host, properties of plant association, date of collection, and co-occurring species of arbuscular fungi