I can see common ❄ winter­berry (Michigan holly) (■ black alder) Ilex verticillata

Do not confuse with 🇪🇺 ■ European black alder  Alnus glutinosa which is also sometimes called black alder.  Very-distantly related:

• Not in the same species, family, nor order.
• Their fruit are very different (drupe vs. cone-like, disbursed 🐦︎ by animals vs. 💨︎ by wind).
• Their leaves are very different.
• One is a tree, while the other is a shrub.

Part of holly  genus Ilex, the only living genus in family Aquifoliaceae.

Native to 🇨🇦 🇺🇸 Canada and USA, east of the 🗻︎ Rocky Mountains.  🗺 Map by county (🇺🇸 USA-48), 🗺 map (North America, Central America). 

Uses by native peoples
(Ethnobotany database)

Ilex hosts caterpillars of 35 species
of butterflies and moths, in some areas.

You often see 🐦︎ bluebirds  genus Sialia on this plant, especially in ❄ winter.

How to Grow and Care for Winterberry Holly.

Use in a small water feature or back patio garden, bloom dates, height, light, moisture, etc. (Pennsylvania).  (pages 13, 30, 32 and 46)

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🏠︎ 🌳︎ broadleaves, ╟ alternate, 🍂︎ simple non-lobed ▲▲ toothed

🇪🇺 ■ European black alder  Alnus glutinosa

🇬🇧 English holly  Ilex aquifolium American holly  Ilex opaca Oregon grape  Mahonia aquifolium