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Nitellopsis obtusa is a large freshwater alga.It is also known by the common name starry stonewort. [1] This alga grows to a length of over 1.5 metres (4 ft 11 in), is bright translucent green and has branches growing in whorls from the main axis the plants easily break up.
Charales is an order of freshwater green algae in the division Charophyta, class Charophyceae, commonly known as stoneworts.Depending on the treatment of the genus Nitellopsis, living (extant) species are placed into either one family or two (Characeae and Feistiellaceae).
The plant body is a gametophyte.It consists of the main axis (differentiated into nodes and internodes), dimorphic branches (long branch of unlimited growth and short branches of limited growth), rhizoids (multicellular with oblique septa) and stipulodes (needle-shaped structures at the base of secondary laterals).
Jul. 28—NEW LONDON — Long Lake by Hawick and Koronis Lake by Paynesville are about a 15-minute drive from each other, but are eight years apart when it comes to the Aquatic Invasive Species ...
Aug. 10—Lake-loving volunteers are needed across Minnesota on Saturday, Aug. 19, to participate in a search for starry stonewort, an aggressive aquatic invasive algae that spreads easily and ...
Charophyceae is a class of charophyte green algae. AlgaeBase places it in division Charophyta. [1] Extant (living) species are placed in a single order Charales, [2] commonly known as "stoneworts" and "brittleworts".
Characeae is a family of freshwater green algae in the order Charales, commonly known as stoneworts.They are also known as brittleworts or skunkweed, from the fragility of their lime-encrusted stems, and from the foul odor these produce when stepped on.
[10] [11] The discovery of starry stonewort was the first confirmed case of the species in Minnesota in 2018 and only the twelfth case overall. [11] A Three Rivers Park District watercraft inspector discovered the plant on a boat propeller after it was pulled from the lake.