Distribution | Ptilothrix vs Melitoma | Traits distinctive of the genus, shape of vertex

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1. Distribution

2AL    2CT    2DC    2DE    2FL    2GA    2IL    2IN    2KY    2MA    2MD    2MS    2NC    2NJ    2NY    2OH    2PA    2RI    2SC    2TN    2VA    2WV

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2. Ptilothrix vs Melitoma

2Unlike in Melitoma, which closely resembles Ptilothrix, species of the genus Ptilothrix LACK an arolia

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3. Traits distinctive of the genus, shape of vertex

2Vertex broadly convex when viewed from top

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