https://www.wilsonsfarminc.com/Plant-Name/Ilex-crenata-Sky-Pencil-Japanese-Holly-Sky-Pencil
Ilex crenata | 'Sky Pencil' Japanese Holly | Wilson Farm, Inc.
'Sky Pencil' Japanese Holly - Ilex crenata
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https://easybigtrees.co.nz/product/ilex-crenata-sky-pencil-columnar-fine-leaved-holly/
ILEX 'Sky Pencil' Columnar Fine-leaved Holly | Easy Big Trees | NZ
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