title_body: Sourcing Liberica or Excelsa coffee in the UK
upvoted_answer: Noah, sadly not a direct answer, but may i recommend that you reach out to your favourite supplier? Otherwise, you may wish to chat with the folks at Union Roasted or Squaremile who do a lot of work with specific farms, and may have related alternatives for you too. (robusta?? how unique)
  
  best
  -m.c.