bladderwrack

Buoyant brown algae

Bladderwrack is a common brown seaweed found along rocky Atlantic and Pacific coastlines.

It has flat, branching fronds with paired air bladders that keep it buoyant in water.

The plant has been used in herbal medicine and as a source of iodine: Bladderwrack supplements are marketed for thyroid support.

seaweed

kelp

Large brown marine algae

  • rockweedIntertidal brown algae
  • algaePrimitive aquatic photosynthesizers
  • thallusUndifferentiated vegetative body

fronds · bladders · sargassum · dulse · nori · sea lettuce · macroalgae · holdfast · stipe · intertidal

thyroid

iodine

Antiseptic element, atomic fifty-three

hypothyroidism · metabolism · endocrine · deficiency · hormone · gland · trace element · bioavailability · absorption · dosage

habitat

intertidal

Zone between high and low watermarks

littoral · North Atlantic · North Sea · Baltic · temperate · estuarine · substrate · zonation · exposure · salinity

supplement

nutraceutical

Health-benefit food product

tincture · dietary · superfood · antioxidants · polysaccharides · bioactive · herbalism · organic · health food · dosage

traditional

folk remedy

Traditional unofficial medical treatment

rheumatism · obesity · historical · spa · topical · infusion · decoction · herbal medicine · traditional use

Opposites
habitat/environment

bladderwrackoak tree

Large deciduous hardwood

tumbleweed · sagebrush · pine tree · desert plant · cactus

plant morphology/structure

bladderwrackflowering plant

Seed-in-fruit producer

tree · fern · conifer · angiosperm · gymnosperm

Family

bladder, wrack

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Concrete · Rated G