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Triadenum fraseri (Spach) Gleason

Fraser's marsh St. Johnswort, Fraser’s marsh St. Johnswort

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassRosidaeRoses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
OrderMalpighialesA broad group encompassing 16,000 species
FamilyHypericaceaeSt. John’s Wort family
GenusTriadenum
SpeciesfraseriFor John Fraser (1750–1811), a Scottish botanist who collected plant specimens around the world, from North America and the West Indies to Russia and between

About plant names...

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Triadenum fraseri (Fraser's marsh St. Johnswort, Fraser’s marsh St. Johnswort)

9/22/2013 · Squannacook River Wildlife Management Area, off route 119, Townsend, Mass­a­chu­setts
≈ 7 × 5" (18 × 13 cm)

Triadenum fraseri (Fraser's marsh St. Johnswort, Fraser’s marsh St. Johnswort)

8/1/2021 · Wilson’s Cove Trail, Harpswell, Maine
≈ 5 × 4½" (13 × 11 cm)

Hypericum fraseri (Spach) Steud.

Elodea fraseri Spach

Hypericum virginicum L. var. fraseri (Spach) Fernald

Triadenum virginicum (L.) Raf. ssp. fraseri (Spach) J.M. Gillett

Triadenum virginicum (L.) Raf. var. fraseri (Spach) Cooperr.

 

Triadenum fraseri description by Thomas H. Kent, last updated 25 May 2020.

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Triadenum fraseri (Fraser's marsh St. Johnswort, Fraser’s marsh St. Johnswort)

9/22/2013 · Squannacook River Wildlife Management Area, off route 119, Townsend, Mass­a­chu­setts
≈ 6 × 4½" (15 × 11 cm)

Triadenum fraseri (Fraser's marsh St. Johnswort, Fraser’s marsh St. Johnswort)

9/22/2013 · Squannacook River Wildlife Management Area, off route 119, Townsend, Mass­a­chu­setts
≈ 7 × 6" (17 × 15 cm)

Triadenum fraseri (Fraser's marsh St. Johnswort, Fraser’s marsh St. Johnswort)

9/16/2016 · Sieur de Monts Botanical Gardens, Bar Harbor, Maine

Triadenum fraseri (Fraser's marsh St. Johnswort, Fraser’s marsh St. Johnswort)

9/16/2016 · Sieur de Monts Botanical Gardens, Bar Harbor, Maine

Range:

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