Strand Memorial Herbarium

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Family: Asteraceae   Aster Family

Genus: Iva   Marshelder, Sumpweed
Small genus of herbs or shrubs often growing in coastal salt marshes of eastern and central North America.

Scientific Name: Iva xanthifolia Nutt.
Common Name(s): Marshelder, Burrweed Marshelder, Giant Sumpweed, Tall Marshelder, Common Marshelder, Carelessweed, False Ragweed, Rag Sumpweed
Growth Type: annual
Species Description:


Click on the thumbnails to view large image.

Caption:

ID: Hrb-IVAXA-001
Source: 35mm slide (photo)
Credit:
Keyword(s): leaf
Caption:

ID: Hrb-IVAXA-002
Source: 35mm slide (photo)
Credit:
Keyword(s): leaf, vegetative
Caption:

ID: Hrb-IVAXA-003
Source: 35mm slide (photo)
Credit:
Keyword(s): seedling
Caption:

ID: Hrb-IVAXA-004
Source: 35mm slide (photo)
Credit:
Keyword(s): vegetative
Caption:

ID: Hrb-IVAXA-005
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescense, vegetative
Caption:

ID: Hrb-IVAXA-006
Source: 35mm slide (photo)
Credit:
Keyword(s): leaf, vegetative
Caption:

ID: Hrb-IVAXA-007
Source: 35mm slide (photo)
Credit:
Keyword(s): leaf, vegetative
Caption:

ID: Hrb-IVAXA-008
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
Caption:

ID: Hrb-IVAXA-009
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
Caption:

ID: Hrb-IVAXA-010
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescense, leaf, vegetative
Caption:

ID: Hrb-IVAXA-011
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescense
Caption:

ID: Hrb-IVAXA-012
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescense, vegetative
Caption:

ID: Hrb-IVAXA-013
Source: 35mm slide (photo)
Credit:
Keyword(s): vegetative