Gahnia aspera was created in 1810.
Gahnia melanocarpa was created in 1810.
Mitromorpha aspera was created in 1864.
Candoia aspera was created in 1877.
Saxifraga aspera was created in 1753.
Doodia aspera was created in 1810.
Per Aspera Press was created in 2003.
Aspera Hiems Symfonia was created in 1995-07.
Ad Astra per Aspera - album - was created in 2010.
Gahnia beecheyi.
Per aspera - 1982 is rated/received certificates of: Finland:S
Japan
A muscle that originates along the linea aspera of the femur is