<em>Frullania eboracensis</em> growing on the trunk of an American Hornbeam tree in Howard Co., Maryland (12/30/2011). (Photo ID: 4466 - Psn: 10)

Frullania eboracensis growing on the trunk of an American Hornbeam tree in Howard Co., Maryland (12/30/2011).

Photo by Richard Orr MBP List

<em>Frullania eboracensis</em> in Howard Co., Maryland (1/21/2013). (Photo ID: 4715 - Psn: 20)

Frullania eboracensis in Howard Co., Maryland (1/21/2013).

Photo by Bonnie Ott MBP List

<em>Frullania eboracensis</em> in St. Mary's Co., Maryland (2/19/2017). (Photo ID: 71763 - Psn: 75)

Frullania eboracensis in St. Mary's Co., Maryland (2/19/2017).

View Record Details Photo by Tyler Bell MBP List

<em>Frullania eboracensis</em> in St. Mary's Co., Maryland (2/24/2021). (c) johnbotany, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 344761 - Psn: 90)

Frullania eboracensis in St. Mary's Co., Maryland (2/24/2021). (c) johnbotany, some rights reserved (CC BY-NC).

View Record Details Photo by John Hall MBP List

<em>Frullania eboracensis</em> in Baltimore City, Maryland (4/27/2019). (c) kwixted0, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 256877 - Psn: 100)

Frullania eboracensis in Baltimore City, Maryland (4/27/2019). (c) kwixted0, some rights reserved (CC BY-NC).

View Record Details Photo by Kerry Wixted MBP List

Leaf cells of <em>Frullania eboracensis</em> in St. Mary's Co., Maryland (2/24/2021). (c) johnbotany, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 344762 - Psn: 100)

Leaf cells of Frullania eboracensis in St. Mary's Co., Maryland (2/24/2021). (c) johnbotany, some rights reserved (CC BY-NC).

View Record Details Photo by John Hall MBP List

<em>Frullania eboracensis</em> in Caroline Co., Maryland (4/22/2021). (c) Wayne Longbottom, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 364323 - Psn: 200)

Frullania eboracensis in Caroline Co., Maryland (4/22/2021). (c) Wayne Longbottom, some rights reserved (CC BY-NC).

View Record Details Photo by Wayne Longbottom MBP List

New York Scalewort in Caroline Co., Maryland (Date obscured). (c) johnbotany, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 717489 - Psn: 200)

New York Scalewort in Caroline Co., Maryland (Date obscured). (c) johnbotany, some rights reserved (CC BY-NC).

View Record Details Photo by John Hall MBP List

New York Scalewort in Prince George's Co., Maryland (1/7/2026). (c) Birder20714, some rights reserved (CC BY-NC)

View Record Details Photo by Jim Stasz MBP List

New York Scalewort in Prince George's Co., Maryland (1/7/2026). (c) Birder20714, some rights reserved (CC BY-NC)

View Record Details Photo by Jim Stasz MBP List

New York Scalewort in Prince George's Co., Maryland (1/7/2026). (c) Birder20714, some rights reserved (CC BY-NC)

View Record Details Photo by Jim Stasz MBP List

Map Snapshot

83 Records

GA AL WA FR CL MO HO BA BC HA CE PG AA CV CH SM KE QA CN TA DO WI SO WO

Status

Historic records of New York Scalewort likely include other species such as Frullania virginica, which was often treated as a subspecies.

Description

New York Scalewort is usually found on trees where it grows tight against the bark. The plants are only about 1-2 mm wide but may grow to several centimeters in length. The leaves are dark green to reddish-brown or nearly black. Microscopy is necessary to distinguish New York Scalewort from other species of Frullania. The cells of the leaves of New York Scalewort have irregular, jagged edges. The perianth of New York Scalewort is smooth.

Where To Find

New York Scalewort can be found throughout Maryland. It is most conspicuous on trees with gray bark like red maple, beech, holly and some oaks.

Seasonality Summary

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Resources

View at iNaturalist Search Google Images Search MBP Facebook posts

View at Maryland Plant Atlas Search Flora of North America Search Mid-Atlantic Herbaria Consortium Search Norton-Brown Herbarium Search MNPS Facebook posts

Citations

No citations linked for this taxon yet.

Use of media featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

Frullania eboracensis growing on the trunk of an American Hornbeam tree in Howard Co., Maryland (12/30/2011). Media by Richard Orr.

Frullania eboracensis in Howard Co., Maryland (1/21/2013). Media by Bonnie Ott.

Frullania eboracensis in St. Mary's Co., Maryland (2/19/2017). View Record Details Media by Tyler Bell.

Frullania eboracensis in St. Mary's Co., Maryland (2/24/2021). (c) johnbotany, some rights reserved (CC BY-NC). View Record Details Media by John Hall.

Frullania eboracensis in Baltimore City, Maryland (4/27/2019). (c) kwixted0, some rights reserved (CC BY-NC). View Record Details Media by Kerry Wixted.

Leaf cells of Frullania eboracensis in St. Mary's Co., Maryland (2/24/2021). (c) johnbotany, some rights reserved (CC BY-NC). View Record Details Media by John Hall.

Frullania eboracensis in Caroline Co., Maryland (4/22/2021). (c) Wayne Longbottom, some rights reserved (CC BY-NC). View Record Details Media by Wayne Longbottom.

New York Scalewort in Caroline Co., Maryland (Date obscured). (c) johnbotany, some rights reserved (CC BY-NC). View Record Details Media by John Hall.

New York Scalewort in Prince George's Co., Maryland (1/7/2026). (c) Birder20714, some rights reserved (CC BY-NC) View Record Details Media by Jim Stasz.