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Betulaceae
Alnus

not marked as a favorite taxon Alnus maritima (Marshall) Muhlenberg ex Nuttall ssp. maritima. Common name: Seaside Alder, Delmarva Alder. Phenology: Jul; mid Aug-early Oct. Habitat: Ecotones between fresh tidal marshes and tidal swamps, open-canopy Atlantic white cedar swamps, streambanks, ponds, shores. Distribution: Endemic to five counties in the Delmarva Peninsula of MD and DE.

Glossary (beta!)

Origin/Endemic status: Endemic

Taxonomy Comments: See ssp. georgiensis for additional discussion of the taxonomy of A. maritima.

Synonymy ⓘ: = K4, NS, POWO, Schrader & Graves (2002); = Betula-alnus maritima Marshall; < Alnus maritima (Marshall) Muhl. ex Nutt. — C, F, FNA3, G; < Alnus maritima (Marshall) Muhl. ex Nutt. var. maritima — Tat. Basionym: Betula-alnus maritima Marshall 1785

Links to other floras: < Alnus maritima - FNA3

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL (name change)
  • Great Plains: OBL (taxonomic split from wetland indicator species)

Heliophily ⓘ: 8

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image #1 of Alnus maritima ssp. maritima© Jared Gorrell, some rights reserved (CC BY-NC), uploaded by Jared Gorrell source CC-BY-NC, permission granted to NCBG | Original Image ⭷ Warning: was NOT research grade.
image #2 of Alnus maritima ssp. maritima© Jared Gorrell, some rights reserved (CC BY-NC), uploaded by Jared Gorrell source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #3 of Alnus maritima ssp. maritima© Jared Gorrell, some rights reserved (CC BY-NC), uploaded by Jared Gorrell source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #4 of Alnus maritima ssp. maritima© Jonathan Irons, some rights reserved (CC BY-NC), uploaded by Jonathan Irons source CC-BY-NC | Original Image ⭷

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Horticultural Information

No horticultural data found for this taxon.