swap_horiz Postelsia palmaeformis Alternatives

1

Pelagophycus porra

Pelagophycus porra, commonly known as elk kelp, is a large brown macroalga native to the deep marine waters of the Pacif...

North Pacific Brown Algae Phaeophyta Elk Kelp

7.9 Good

2

Egregia menziesii

Egregia menziesii, commonly called feather boa kelp, is a large brown alga in the family Lessoniaceae. It grows on rocky...

Intertidal North Pacific Brown Algae Phaeophyta

7.4 Good

3

Hedophyllum sessile

Hedophyllum sessile is a brown kelp in the family Laminariaceae found along the northeastern Pacific coast. Its broad, u...

Kelp Intertidal North Pacific Brown Algae

7.3 Good

4

Costaria costata

Costaria costata is a brown alga in the family Costariaceae, native to the North Pacific. Its broad, strap-like blade is...

Kelp North Pacific Ribbed Brown Algae

6.9 Fair

5

Fucus vesiculosus

*Fucus vesiculosus*, commonly called bladderwrack, is a brown alga of rocky intertidal shores in the North Atlantic and...

Intertidal North Atlantic Brown Algae Phaeophyta

6.8 Fair

6

Agarum clathratum

Agarum clathratum is a cold-water brown kelp commonly called shotgun kelp. It forms a broad blade pierced by many natura...

North Pacific Subtidal Brown Algae Phaeophyta

6.4 Fair

7

Hormosira banksii

Hormosira banksii is a brown alga found on rocky shores in Australia and New Zealand. It is commonly called Neptune’s ne...

Australia Intertidal Brown Algae Phaeophyta

6.3 Fair

8

Cystoseira tamariscifolia

Mediterranean brown alga notable for vivid blue-green iridescence when submerged and widely used as a bioindicator of cl...

Mediterranean Intertidal Brown Algae Phaeophyta

6.3 Fair

9

Xiphophora chondrophylla

Xiphophora chondrophylla is a brown alga in the family Xiphophoraceae found on coasts of southern Australia and New Zeal...

Australia Intertidal Subtidal Brown Algae

6.3 Fair

10

Cymathere triplicata

Cymathere triplicata is a species of brown alga in the kelp family Costariaceae. It is found in the North Pacific, inclu...

Kelp North Pacific Ribbed Brown Algae

6.1 Fair

11

Cystoseira amentacea

Cystoseira amentacea is a brown alga associated with shallow rocky shores in the Mediterranean region. It grows in the u...

Mediterranean Protected Intertidal Brown Algae

6.0 Fair

12

Bifurcaria bifurcata

Bifurcaria bifurcata is a brown alga of the northeastern Atlantic, with a range extending from the British Isles toward...

Cylindrical Intertidal North Atlantic Brown Algae

6.0 Fair

13

Saccharina longissima

Saccharina longissima is a kelp with a long, ribbon-like blade that grows in cold North Pacific waters. It belongs to th...

Edible Kelp North Pacific Brown Algae

6.0 Fair

14

Fucus serratus

Fucus serratus, commonly called toothed wrack, is a brown alga native to the North Atlantic. Its flattened blades have r...

Intertidal North Atlantic Brown Algae Phaeophyta

5.8 Mediocre

15

Kjellmaniella gyrata

Kjellmaniella gyrata is a kelp in the family Laminariaceae native to cold waters of the northwestern Pacific, including...

Edible Kelp North Pacific Brown Algae

5.8 Mediocre

16

Cystophora retroflexa

Cystophora retroflexa is a brown alga in the family Sargassaceae distributed across southern Australia and New Zealand....

New Zealand Intertidal Subtidal Brown Algae

5.8 Mediocre

17

Thalassiophyllum clathrus

Thalassiophyllum clathrus is a brown alga in the kelp family Laminariaceae, occurring around the North Pacific Rim from...

Kelp North Pacific Brown Algae Phaeophyta

5.8 Mediocre

18

Cystoseira compressa

Cystoseira compressa is a brown alga occurring in the Mediterranean Sea and the eastern Atlantic Ocean. It has main axes...

Mediterranean Intertidal Subtidal Brown Algae

5.6 Mediocre

19

Colpomenia sinuosa

Colpomenia sinuosa is a brown alga found in tropical and temperate marine environments. Its thallus forms a hollow, infl...

Intertidal Brown Algae Phaeophyta Oyster Thief

5.6 Mediocre

20

Alaria fistulosa

Alaria fistulosa is a large brown alga native to the North Pacific, including Alaskan waters. It is a kelp with a hollow...

Kelp North Pacific Subtidal Brown Algae

5.4 Mediocre