Gray Alder Alnus incana (Linnaeus) Moench var. rugosa (Du Roi) R.T. Clausen    Synonyms: Alnus incana subsp. rugosa, Alnus rugosa, Speckled Alder.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Fagales   >   Family Betulaceae   >   Genus Alnus   

Relationships:

Host plant for various moth species including Serviceberry Leafroller Moth (Gilligan, Wright, & Gibson, 2008).

The leaf beetle Calligrapha alni uses Gray Alder as a host plant.

Woolly Alder Aphids use Gray Alder as one of their two alternate host plants (the other host being Silver Maple).

There are 14 records in the project database.

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Gray Alder in Garrett Co., Maryland (9/13/2013). Photo by Jim Stasz. (MBP list)

Gray Alder cones in Garrett Co., Maryland (4//2014). Photo by Mike Burchett. (MBP list)

A Gray Alder catkin in Garrett Co., Maryland (4/13/2014). Photo by Mike Burchett. (MBP list)

Gray Alder in Allegany Co., Maryland (10/4/2019). Photo by Mark Eanes. (MBP list)

Gray Alder in Allegany Co., Maryland (5/6/2018). Photo by Jim Brighton. (MBP list)

Gray Alder (trunk) in Garrett Co., Maryland (3/9/2018). Photo by Bill Hubick. (MBP list)

Gray Alder in Garrett Co., Maryland (3/9/2018). Photo by Bill Hubick. (MBP list)

Gray Alder in Garrett Co., Maryland (5/19/2017). Photo by Sue Muller. (MBP list)

The leaves of Gray Alder in Garrett Co., Maryland (5/19/2017). Photo by Sue Muller. (MBP list)

Gray Alder in Garrett Co., Maryland (3/9/2018). Photo by Bill Hubick. (MBP list)

A Gray Alder in the Cranberry Wilderness, Pocahontas Co., West Virginia (7/7/2012). Photo by Jim Brighton. (MBP list)

The bark of a Gray Alder growing in the Cranberry Wilderness, Pocahontas Co., West Virginia (7/7/2012). Photo by Jim Brighton. (MBP list)


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