What genus honors John Parkinson, Parkinsonia or Rumohra?
Rumohra Rumohra is a genus of ferns in the family Dryopteridaceae.
Apotreubia Apotreubia is a genus of liverworts in the family Treubiaceae. There are four species: "Apotreubia nana", which is found in subalpine New Guinea, and "Apotreubia pusilla", which has a disjunct distribution between eastern Asia (Himalayas to Japan) and British Columbia.