Headings
start
anatomy
mantle
inner mantle layer
[Information about this group of characters]
organisation
matrix kind
hyphae arrangement
cell shape
hyphae vessel-like presence
hyphae vessel-like diameter
hyphae vessel-like wall thickness
septa thickness
septa clamps presence
cell pigment location-colour
cell diameter
cell length
cell density
cell contents presence-kind
cell blue granules location