Corylus tubulosa var. oblonga Risso Hist. Nat. Prod. Eur. Mérid. 2: 332 (1826)

Nomenclatural References

• literature : Hist. Nat. Prod. Eur. Mérid. 2: 332. 1826 BHL link from IPNI metadata.
• database : IPNI Record: 77271380-1