Soil particles are always irregularly shaped or/and coloured and mostly of different size; ’few’ or ’many’ are subject to personal experience. Mycorrhizae with many soil particles are considerably difficult to clean. A compromise must be found between the cleaning for visualization of mantle features and the necessity to loose as few important features as possible. If there is any doubt whether 'frequent' or 'infrequent' should be used, enter both.

– Character overview –