A lichen has lecanorine fruiting body parts if they are shaped like a plate with a ring around them, and that ring is made of tissue similar to the main non-fruiting body part of the lichen.
[1] The name comes from the name of the lichen genus Lecanora, whose members have such apothecia.
[1] If a lichen has lecanorine apothecia, the lichen itself is sometimes described as being lecanorine.
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