Samiksha Jaiswal

Hildenbrandiales

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Division  Rhodophyta
Phylum  Rhodophyta
Class  Florideophyceae
Rank  Order
Hildenbrandiales httpsuploadwikimediaorgwikipediacommonsthu
Family  Hildenbrandiaceae Rabenhorst, 1868
Similar  Nemaliales, Hildenbrandia, Gelidiales, Batrachospermales, Stylonematophyceae

Seaweeds of the british isles corallinales hildenbrandiales


Hildenbrandiales is an order of crustose forms red alga which bear conceptacles and produce secondary pit-connections. They reproduce by vegetative gemmae as well as tetrasporangia, which are produced inside the conceptacles. The way in which the tetraspores are produced is unusual enough to justify the formation of this distinct order. Some members of the order are known from freshwater rivers as well .

Contents

Systematics

Hildenbradiales are difficult to discriminate on morphological grounds; tetrasporangia morphology is the only vaguely reliable character, but molecular techniques have indicated a monophyletic Apophlaea within a paraphyletic Hildenbrandia, with many Hildenbrandia species being recognized as non-monophyletic.

References

Hildenbrandiales Wikipedia


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Gelidiales
Hildenbrandia
Nemaliales
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