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Petraia rustica

Taxonomy
Petraia rustica was named by Billings (1858).

It was recombined as Streptelasma rusticum by Foerste (1924); it was recombined as Helicelasma rusticum by Neuman (1969).

Synonymy list
YearName and author
1924Streptelasma rusticum Foerste
1969Helicelasma rusticum Neuman

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No classification data are available

Diagnosis
No diagnoses are available