What genus honors John Parkinson, Parkinsonia or Rumohra?
Rumohra Rumohra is a genus of ferns in the family Dryopteridaceae.
Rumex skottsbergii Rumex skottsbergii, or more commonly known as lava dock, is a shrub of the genus "Rumex". It is endemic to Hawaii, where it is known as pawale . Pawale is often one of the first plants to be found on fresh lava flows and grows in extremely arid conditions.