Oscilatoria or Oscillatoria: How To spell?

The word Oscilatoria is misspelled against Oscillatoria, a noun meaning "Same as Oscillaria."

Oscillatoria has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings osci & atoria which should not be misspelled with single 'L'
Wrong Spelling:  osci-l-atoria 
Correct Spelling:  osci-ll-atoria 
Find more incorrect spellings of Oscillatoria to spell right way.