White Oak Quercus alba Linnaeus  

Status:

The White Oak was established as the State Tree of Maryland in 1941. It is one of Maryland's most common large hardwoods and is found throughout the state in a variety of habitats.

Description:

The leaves of White Oak are distinctively multi-lobed with rounded tips. The bark is shaggy upon maturity.

Where to find:

Look for White Oak in most forest types throughout Maryland.

Relationships:

Has been recorded as a host plant for Banded Hairstreak. Also recorded as a larval host for White-M Hairstreak.

Host plant for various moth species including Acrocercops albinatella, Gregarious Oak Leafminer Moth, Phyllonorycter argentifimbriella, Phyllonorycter basistrigella, Phyllonorycter fitchella, Phyllonorycter hagenii, Lesser Maple Leaf Blotch Miner Moth, Eastern Tent Caterpillar Moth, Scalloped Sack-bearer Moth, Girlfriend Underwing Moth, Confused Woodgrain Moth, American Dagger Moth, Banded Tussock Moth, Fluid Arches Moth, Green-dusted Zale Moth, Maple Webworm Moth, Luna Moth, Orange-tipped Oakworm Moth, Spiny Oakworm Moth, Polyphemus Moth, Io Moth, Cecropia Moth, Waved Sphinx, Oblique-banded Leafroller Moth, Filbertworm Moth, and Three-lined Leafroller Moth (Database of the World's Lepidopteran Hostplants).

Frequently hosts the Wool Sower gall in spring.

There are 422 records in the project database.

View species at Maryland Plant Atlas

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White Oak in Kent Co., Maryland (9/16/2016). Photo by Dan Small. (MBP list)

Leaves from a White Oak growing in Dorchester Co., Maryland (6/2/2012). Photo by Jim Brighton. (MBP list)

White Oak in Anne Arundel Co., Maryland (8/19/2010). Photo by Bill Harms. (MBP list)

White Oak in Anne Arundel Co., Maryland (8/12/2016). Photo by Bill Hubick. (MBP list)

White Oak in Anne Arundel Co., Maryland (8/30/2011). Photo by Bill Harms. (MBP list)

White Oak in Garrett Co., Maryland (9/21/2014). Photo by Kimberly Booth. (MBP list)

White Oaks in Caroline Co., Maryland (3/23/2013). Photo by Jim Brighton. (MBP list)

White Oak in Frederick Co., Maryland (11/3/2017). Photo by Robert Warren. (MBP list)

White Oak in Anne Arundel Co., Maryland (4/23/2013). Photo by Bill Harms. (MBP list)

White Oak in Howard Co., Maryland (4/15/2010). Photo by Bill Harms. (MBP list)

White Oak in Worcester Co., Maryland (2/20/2016). Photo by Bill Hubick. (MBP list)

White Oak in Harford Co., Maryland (12/6/2015). Photo by Bill Hubick. (MBP list)

White Oak in Garrett Co., Maryland (9/21/2014). Photo by Kimberly Booth. (MBP list)

White Oak Sapling in Harford Co., Maryland (8/28/2016). Photo by Kirsten Johnson. (MBP list)

White Oak in Prince George's Co., Maryland (4/16/2014). Photo by USGS PWRC. (MBP list)

White Oak growing in Washington Co., Maryland (4/9/2017). Photo by Linda Lewis. (MBP list)

An immense White Oak, over 18' in circumference, found at Andelot Farm, Kent Co., Maryland (6/7/2014). This large individual is probably what is known as a "wolf tree." It was probably left as shade for grazing cattle in an open pasture when this forest was last cleared. This explains both the great size, as well as the interesting shape. A tree in the open behaves much differently than a tree competing for sun in the forest. To maximize sun, it grows outward as much as upward, allowing its lower branches to capture more light. This of course requires structural reinforcement, which explains the extremely stout lower branches shown here. Photo by Bill Hubick. (MBP list)

White Oak in Montgomery Co., Maryland (2/24/2017). Photo by Bill Hill. (MBP list)

White Oak in Calvert Co., Maryland (12/18/2016). Photo by Wayne Longbottom. (MBP list)

White Oak leaves in Prince George's Co., Maryland (1/2/2017). Photo by Bill Hubick. (MBP list)

White Oak in Montgomery Co., Maryland (2/20/2017). Photo by Bill Hill. (MBP list)


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