WebForma Polysiphonia urceolata f. comosa (C.Agardh) J.Agardh, 1863 accepted as Polysiphonia stricta (Mertens ex Dillwyn) Greville, 1824 Forma Polysiphonia urceolata f. formosa (Suhr) J.Agardh, 1863 accepted as Polysiphonia stricta (Mertens ex Dillwyn) Greville, 1824 Forma Polysiphonia urceolata f. fucoides (Hudson) J.Agardh, 1863 … WebJul 1, 2012 · Two distinct groups were revealed: one with five identical sequences (4.5%) obtained from samples of Saint Malo and perfectly matched (100% similarity) a GenBank sequence of Polysiphonia stricta and the second group was composed of 105 sequences that closely matched (99–100% similarity) P. morrowii sequences in the
Polysiphonia stricta · iNaturalist
Polysiphonia stricta is a small red marine alga in the Division Rhodophyta. Polysiphonia stricta forms dense clumps of branching axes. The plants grow to 25 cm high. See more P. stricta grows as small tufts of much branched tufts, growing to no more than 25 cm high. The axes are erect, ecorticate, with 4 periaxial cells growing from prostrate axes. All 4 of the periaxial cells are of the same length. See more Spermatangial branchlets are formed in clusters at the apices. Cystocarps are on wide stalks and are urceolate. The tetraspores are in series in the final branches. See more Epizoic and epiphytic in the low littoral to 20 m. See more Found around the British Isles, the West Atlantic and American Atlantic. See more WebMore Taxa Info; Guides; Places; Site Stats; Help; Video Tutorials; Log In or Sign Up can army donate plasma
Full article: A molecular assessment of species diversity and …
WebPolysiphonia stricta (18 novembre 2008) Desmarestia aculeata (18 novembre 2008) Chorda filum (18 novembre 2008) Porphyra umbilicalis (18 novembre 2008) Ectocarpus siliculosus (18 novembre 2008) Scytosiphon lomentaria (18 novembre 2008) Petalonia zosterifolia (18 novembre 2008) Petalonia fascia (18 novembre 2008) Urospora penicilliformis (18 ... WebPolysiphonia Greville 1823; 196 of 992 species descriptions are currently accepted taxonomically (Guiry and Guiry 2014). Order ... P. nigra, P. schneideri (formerly P. denudata), P. stricta, and P. subtilissima. Although vegetative features are useful, species identifications can be difficult (Kapraun, 1977, 1978; ... WebDownload. View publication. 1 — microscopic parasitic alga Choreocolax polysiphoniae on Polysiphonia stricta; 2, 3 — secondary holdfasts on the erect filaments of Polysiphonia stricta as a ... fish folk github