Rattlesnake Fern in Washington Co., Maryland (5/28/2017).

View Record Details Photo by Bill Harms MBP List

A Rattlesnake Fern in Howard Co., Maryland (6/18/2013).

Photo by Richard Orr MBP List

Rattlesnake Fern growing in Charles Co., Maryland (5/10/2015).

View Record Details Photo by Jim Stasz MBP List

Rattlesnake Fern in Harford Co., Maryland (5/25/2013).

Photo by Bill Hubick MBP List

A Rattlesnake Fern in Dorchester Co., Maryland (4/20/2013).

Photo by Jim Brighton MBP List

Rattlesnake Fern growing in Kent Co., Maryland (5/14/2016).

View Record Details Photo by Nancy Martin MBP List

A Rattlesnake Fern with 'twin' fertile fronds in Kent Co., Maryland (5/14/2016).

View Record Details Photo by Nancy Martin MBP List

Rattlesnake Fern sporangia in Howard Co., Maryland (6/18/2013).

Photo by Richard Orr MBP List

Rattlesnake Fern in Anne Arundel Co., Maryland (4/26/2011).

View Record Details Photo by Bill Harms MBP List

Rattlesnake Fern found growing in Garrett Co., Maryland (6/12/2011).

Photo by Jim Brighton MBP List

Rattlesnake Fern sporangia in Howard Co., Maryland (6/7/2015).

View Record Details Photo by Richard Orr MBP List

Rattlesnake Fern in Montgomery Co., Maryland (4/24/2016).

View Record Details Photo by Robert Ferraro MBP List

A Rattlesnake Fern in Baltimore Co., Maryland (5/31/2013).

Photo by Bill Hubick MBP List

A Rattlesnake Fern in Baltimore Co., Maryland (5/13/1981).

Photo by Jim Stasz MBP List

Rattlesnake Fern in Garrett Co., Maryland (5/9/2016).

View Record Details Photo by Kimberly Booth MBP List

Rattlesnake Fern in Montgomery Co., Maryland (4/17/2016).

View Record Details Photo by Sujata Roy MBP List

Rattlesnake Fern in Anne Arundel Co., Maryland (5/2/2017). Verified by Dr. Carl Taylor.

View Record Details Photo by Bill Harms MBP List

Rattlesnake Fern in Howard Co., Maryland (5/26/2016).

View Record Details Photo by Bonnie Ott MBP List

Rattlesnake Fern in Howard Co., Maryland (5/19/2019). (c) smuller, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 259726 - Psn: 200)

Rattlesnake Fern in Howard Co., Maryland (5/19/2019). (c) smuller, some rights reserved (CC BY-NC).

View Record Details Photo by Sue Muller MBP List

Rattlesnake Fern in Anne Arundel Co., Maryland (4/25/2020). (c) Ted Weber, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 290390 - Psn: 200)

Rattlesnake Fern in Anne Arundel Co., Maryland (4/25/2020). (c) Ted Weber, some rights reserved (CC BY-NC).

View Record Details Photo by Ted Weber via iNaturalist MBP List

Rattlesnake Fern in Montgomery Co., Maryland (4/18/2026). (c) Jim Brighton, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>) (Photo ID: 1489472 - Psn: 200)

Rattlesnake Fern in Montgomery Co., Maryland (4/18/2026). (c) Jim Brighton, some rights reserved (CC BY-NC)

View Record Details Photo by Jim Brighton MBP List

Rattlesnake Fern in Frederick Co., Maryland (4/25/2026). (c) botanygirl, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>) (Photo ID: 1494137 - Psn: 200)

Rattlesnake Fern in Frederick Co., Maryland (4/25/2026). (c) botanygirl, some rights reserved (CC BY)

View Record Details Photo by botanygirl via iNaturalist MBP List

Rattlesnake Fern in Prince George's Co., Maryland (4/18/2026). (c) Robin Sleeman, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>) (Photo ID: 1494987 - Psn: 200)

Rattlesnake Fern in Prince George's Co., Maryland (4/18/2026). (c) Robin Sleeman, some rights reserved (CC BY-NC)

View Record Details Photo by robinzs via iNaturalist MBP List

Rattlesnake Fern in Frederick Co., Maryland (4/25/2026). (c) dansmall, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>) (Photo ID: 1495371 - Psn: 200)

Rattlesnake Fern in Frederick Co., Maryland (4/25/2026). (c) dansmall, some rights reserved (CC BY-NC)

View Record Details Photo by Dan Small MBP List

Rattlesnake Fern in Baltimore Co., Maryland (4/23/2026). (c) Dwight Johnson, all rights reserved (Photo ID: 1495599 - Psn: 200)

View Record Details Photo by Dwight Johnson MBP List

Rattlesnake Fern in Frederick Co., Maryland (4/26/2026). (c) Ron Wertz, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc-sa/4.0/'>CC BY-NC-SA</a>) (Photo ID: 1499873 - Psn: 200)

Rattlesnake Fern in Frederick Co., Maryland (4/26/2026). (c) Ron Wertz, some rights reserved (CC BY-NC-SA)

View Record Details Photo by Ron Wertz via iNaturalist MBP List

Rattlesnake Fern in Washington Co., Maryland (5/3/2026). (c) botanygirl, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>) (Photo ID: 1500849 - Psn: 200)

Rattlesnake Fern in Washington Co., Maryland (5/3/2026). (c) botanygirl, some rights reserved (CC BY)

View Record Details Photo by botanygirl via iNaturalist MBP List

Map Snapshot

860 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

Description

Similar to Cutleaf Grapefern which has the fertile stalk diverge from the sterile leaf blade close to the ground. The fertile stalk of Rattlesnake Fern diverges at the base of the sterile leaf blade.

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.

Rattlesnake Fern in Washington Co., Maryland (5/28/2017). View Record Details Media by Bill Harms.

A Rattlesnake Fern in Howard Co., Maryland (6/18/2013). Media by Richard Orr.

Rattlesnake Fern growing in Charles Co., Maryland (5/10/2015). View Record Details Media by Jim Stasz.

Rattlesnake Fern in Harford Co., Maryland (5/25/2013). Media by Bill Hubick.

A Rattlesnake Fern in Dorchester Co., Maryland (4/20/2013). Media by Jim Brighton.

Rattlesnake Fern growing in Kent Co., Maryland (5/14/2016). View Record Details Media by Nancy Martin.

A Rattlesnake Fern with 'twin' fertile fronds in Kent Co., Maryland (5/14/2016). View Record Details Media by Nancy Martin.

Rattlesnake Fern sporangia in Howard Co., Maryland (6/18/2013). Media by Richard Orr.

Rattlesnake Fern in Anne Arundel Co., Maryland (4/26/2011). View Record Details Media by Bill Harms.

Rattlesnake Fern found growing in Garrett Co., Maryland (6/12/2011). Media by Jim Brighton.

Rattlesnake Fern sporangia in Howard Co., Maryland (6/7/2015). View Record Details Media by Richard Orr.

Rattlesnake Fern in Montgomery Co., Maryland (4/24/2016). View Record Details Media by Robert Ferraro.

A Rattlesnake Fern in Baltimore Co., Maryland (5/31/2013). Media by Bill Hubick.

A Rattlesnake Fern in Baltimore Co., Maryland (5/13/1981). Media by Jim Stasz.

Rattlesnake Fern in Garrett Co., Maryland (5/9/2016). View Record Details Media by Kimberly Booth.

Rattlesnake Fern in Montgomery Co., Maryland (4/17/2016). View Record Details Media by Sujata Roy.

Rattlesnake Fern in Anne Arundel Co., Maryland (5/2/2017). Verified by Dr. Carl Taylor. View Record Details Media by Bill Harms.

Rattlesnake Fern in Howard Co., Maryland (5/26/2016). View Record Details Media by Bonnie Ott.

Rattlesnake Fern in Howard Co., Maryland (5/19/2019). (c) smuller, some rights reserved (CC BY-NC). View Record Details Media by Sue Muller.

Rattlesnake Fern in Anne Arundel Co., Maryland (4/25/2020). (c) Ted Weber, some rights reserved (CC BY-NC). View Record Details Media by Ted Weber via iNaturalist.

Rattlesnake Fern in Montgomery Co., Maryland (4/18/2026). (c) Jim Brighton, some rights reserved (CC BY-NC) View Record Details Media by Jim Brighton.

Rattlesnake Fern in Frederick Co., Maryland (4/25/2026). (c) botanygirl, some rights reserved (CC BY) View Record Details Media by botanygirl via iNaturalist.

Rattlesnake Fern in Prince George's Co., Maryland (4/18/2026). (c) Robin Sleeman, some rights reserved (CC BY-NC) View Record Details Media by robinzs via iNaturalist.

Rattlesnake Fern in Frederick Co., Maryland (4/25/2026). (c) dansmall, some rights reserved (CC BY-NC) View Record Details Media by Dan Small.

Rattlesnake Fern in Frederick Co., Maryland (4/26/2026). (c) Ron Wertz, some rights reserved (CC BY-NC-SA) View Record Details Media by Ron Wertz via iNaturalist.

Rattlesnake Fern in Washington Co., Maryland (5/3/2026). (c) botanygirl, some rights reserved (CC BY) View Record Details Media by botanygirl via iNaturalist.