• Thumbnail for Polysiphonia
    Polysiphonia, known as red hair algae, is a genus of filamentous red algae with about 19 species on the coasts of the British Isles and about 200 species...
    19 KB (819 words) - 18:21, 29 August 2024
  • Thumbnail for Polysiphonia ceramiaeformis
    Polysiphonia ceramiaeformis, also called banded siphon weed, is a small red algae (Rhodophyta), in the genus Polysiphonia. Individuals are irregularly...
    2 KB (271 words) - 18:30, 10 March 2021
  • Thumbnail for Polysiphonia fucoides
    (Vertebrata fucoides) is a common marine alga in the Division Rhodophyta. Polysiphonia fucoides is a relatively small seaweed. It grows as branched, cylindrical...
    2 KB (262 words) - 16:26, 15 February 2024
  • Thumbnail for Polysiphonia elongata
    Polysiphonia elongata is a small red marine algae in the Rhodophyta. Polysiphonia elongata is a small red alga which, unlike some other species of Polysiphonia...
    3 KB (296 words) - 15:41, 27 July 2021
  • Thumbnail for Polysiphonia lanosa
    Polysiphonia lanosa (Vertebrata lanosa; Polysiphonia fastigiata) is a common species of the red algae (Rhodophyta) often to be found growing on Ascophyllum...
    4 KB (412 words) - 18:15, 10 March 2021
  • Polysiphonia atlantica is a small filamentous species of red marine algae Rhodophyta. The thalli form small tufts up to 3 cm long. The axes are ecorticate...
    2 KB (256 words) - 22:45, 8 February 2025
  • Thumbnail for Polysiphonia denudata
    Polysiphonia denudata (Polysiphonia variegate (C.Agardh) Zanardini) is a small red alga, Rhodophyta, growing as tufts up to 20 cm long without a main...
    2 KB (300 words) - 12:59, 19 March 2024
  • Thumbnail for Polysiphonia fibrillosa
    Polysiphonia fibrillosa (Dillwyn) Sprengel is a species of marine red alga in the Rhodophyta. Polysiphonia fibrillose is a fine red alga which grows to...
    3 KB (243 words) - 14:52, 1 October 2020
  • Thumbnail for Shetland
    include: Polysiphonia fibrillosa (Dillwyn) Sprengel and Polysiphonia atlantica Kapraun and J.Norris, Polysiphonia brodiaei (Dillwyn) Sprengel, Polysiphonia elongata...
    139 KB (13,672 words) - 12:14, 29 June 2025
  • Polysiphonia fibrata is a species of Polysiphonia that grows as small dense tufted and finely branched marine alga in the Rhodophyta. The branches of...
    2 KB (233 words) - 18:15, 10 March 2021
  • Thumbnail for Polysiphonia nigra
    Polysiphonia nigra is a species of marine alga in the division Rhodophyta. Polysiphonia nigra is a relatively small red algae which grows to a height...
    2 KB (184 words) - 18:21, 10 March 2021
  • Polysiphonia foetidissima Cocks ex Bornet (also known as Vertebrata foetidissima) is small red marine alga in the Rhodophyta. Polysiphonia foetidissima...
    1 KB (144 words) - 18:30, 10 March 2021
  • Thumbnail for Polysiphonia elongella
    Polysiphonia elongella Harvey in W.J. Hooker is a branched species of marine red algae in the genus in the Polysiphonia in the Rhodophyta. This marine...
    3 KB (311 words) - 14:52, 1 October 2020
  • Polysiphonia opaca (C.Agardh) Moris et De Notaris is a small marine alga in the division Rhodophyta. This small seaweed consists of tufts of branches no...
    1 KB (185 words) - 23:42, 20 September 2023
  • Polysiphonia brodiei (Dillwyn) Sprengel, now generally spelled "brodiaei", as it is named after James Brodie is a species of red algae in the Rhodophyta...
    2 KB (251 words) - 18:15, 10 March 2021
  • Thumbnail for Polysiphonia morrowii
    Polysiphonia morrowii is a species of red algae native to Northeast Asia. It has become an invasive species in Europe, Australia, New Zealand, and South...
    2 KB (149 words) - 15:28, 12 December 2023
  • Thumbnail for Polysiphonia stricta
    Polysiphonia stricta is a small red marine alga in the Division Rhodophyta. Polysiphonia stricta forms dense clumps of branching axes. The plants grow...
    3 KB (205 words) - 18:16, 10 March 2021
  • Thumbnail for Polysiphonia simulans
    Polysiphonia simulans is a small marine alga in the division Rhodophyta. This small alga is no more than 8 cm long. It appears as a tuft of irregularly...
    2 KB (171 words) - 18:31, 10 March 2021
  • Polysiphonia devoniensis is a species of marine algae. It is a small red alga in the Division Rhodophyta. It is a species new to science only described...
    2 KB (221 words) - 18:15, 10 March 2021
  • Thumbnail for Spore
    Light microscopy of Polysiphonia showing a carpospores and carposporophyte inside...
    24 KB (2,024 words) - 16:43, 25 June 2025
  • Polysiphonia furcellata (C.Agardh) Harvey is small marine red alga in the Division Rhodophyta. This red alga is a branched algae growing to 10 cm. The...
    1 KB (147 words) - 18:30, 10 March 2021
  • Thumbnail for Sperm
    their environment to carry them to the egg cell. Some red algae, such as Polysiphonia, produce non-motile spermatia that are spread by water currents after...
    30 KB (3,406 words) - 00:23, 7 July 2025
  • smithii Prescott Debarya smithii Transeau Gloeochloris smithiana Pascher Polysiphonia flaccidissima var. smithii Hollenberg Gilbert Morgan Smith Medal Smith...
    6 KB (519 words) - 18:12, 29 June 2024
  • Thumbnail for Tetraspore
    Light microscopy of Polysiphonia showing a tetraspore within a tetrasporophyte cell. A=Tetraspore, B=Tetrasporophyte cell.Scale bar = 0.02 mm...
    914 bytes (75 words) - 04:59, 29 November 2023
  • Thumbnail for Dimethylsulfoniopropionate
    also been identified. DMSP was first identified in the marine red alga Polysiphonia fastigiata. In higher plants, DMSP is biosynthesized from S-methylmethionine...
    10 KB (911 words) - 13:36, 1 July 2025
  • Thumbnail for Choreocolax polysiphoniae
    alga Polysiphonia lanosa. It grows as an irregular sphere on the fronds of the alga, reaching no more than 1 mm in extent. Parasitic on Polysiphonia lanosa...
    2 KB (259 words) - 22:27, 30 June 2025
  • Thumbnail for Green sea turtle
    moss (Caloglossa), freshwater red algae (Compsopogon), lobster horns (Polysiphonia), sea lettuce (Ulva lactuca), green seaweed (Gayralia), and crinkle grass...
    108 KB (11,602 words) - 01:10, 27 May 2025
  • environment, as in Arisaema species. Certain algae, such as some species of Polysiphonia, are dioecious. Dioecy is prevalent in the brown algae (Phaeophyceae)...
    27 KB (2,742 words) - 22:46, 23 May 2025
  • Thumbnail for Gavino Trono
    Retrieved August 25, 2014. Hurtado, A. J., et al. (2006). Occurrence of Polysiphonia epiphytes in Kappaphycus farms at Calaguas Is., Camarines Norte, Philippines...
    9 KB (780 words) - 11:11, 24 May 2025
  • Thumbnail for Vertebrata simulans
    Vertebrata simulans (Polysiphonia simulans) Harvey is a small densely branched alga in the Division Rhodophyta. This small marine algae grows to a height...
    1 KB (95 words) - 03:04, 9 June 2024