CPC Plant Profile: Herbaceous Seepweed
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Plant Profile

Herbaceous Seepweed (Suaeda maritima ssp. richii)

2/23/2018 Photo Credit: Donald Cameron © 2018
Description
  • Global Rank: T3 - Vulnerable
  • Legal Status: N/A
  • Family: Amaranthaceae
  • State: MA, ME, NF, NH, NS, PA
  • Nature Serve ID: 135471
  • Date Inducted in National Collection: 12/07/2021

Suaeda maritima ssp. richii, or herbaceous sea-blite, is an annual member of the Amaranth family. It grows prostrate along the ground, forming dense, highly branched mats up to 2½ feet wide. It has skinny, succulent leaves that range between ½ and 2 inches long. It has small (approximately 1/10th of an inch wide), red or green flowers and produces even smaller seeds. Suaeda maritima ssp. richii is easily confused with another introduced variety of S. maritima, Suaeda maritima ssp. maritima. S maritima ssp. richii has smaller seeds and shorter leaves than ssp. maritima. Suaeda maritima ssp. richii is found in salt marshes, beaches and intertidal zones along the Northeast coast of New England, USA and Canada. It is of conservation concern due to its limited range, and because it tends to be rare where it occurs. (Massachusetts Division of Fisheries and Wildlife, 2015; NatureServe, 2018; New England Wildflower Society, 2018; USDA and NRCS, 2018)

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Nomenclature
Taxon Suaeda maritima ssp. richii
Authority (Fern.) Bassett & Crompton
Family Amaranthaceae
CPC Number 10695
ITIS 524734
USDA SUMAR
Common Names herbaceous sea-blite | Rich's seepweed
Associated Scientific Names Suaeda maritima ssp. richii | Suaeda maritima
Distribution
State Rank
State State Rank
Massachusetts S2S3
Maine S1
Newfoundland SNR
New Hampshire SNR
Nova Scotia S1
Pennsylvania SNA
Habitat

Ecological Relationships

Pollinators
Common Name Name in Text Association Type Source InteractionID

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