Lichen and Puffball

Lichen noun - Any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc..

Puffball and lichen are semantically related. In some cases you can replace term "Puffball" with "Lichen", this nouns are similar.

Puffball noun - Any of various fungi of the family Lycoperdaceae whose round fruiting body discharges a cloud of spores when mature.

Lichen and puffball are semantically related. Sometimes you can replace term "Lichen" with "Puffball", this nouns are similar.