Specimen Information

Nitellopsis obtusa
Nitellopsis obtusa
(starry stonewort)
Algae
Exotic

Specimen ID1714155
GroupAlgae
GenusNitellopsis
Speciesobtusa
Common Namestarry stonewort
StateIL
CountyCook
LocalityJackson Park Inner Harbor
Mapping AccuracyAccurate
HUC8 NameLake Michigan
HUC8 Number04190000
HUC10 NameWaukegan River-Frontal Lake Michigan
HUC10 Number0404000205
HUC12 NameOakwoods Cemetery-Frontal Lake Michigan
HUC12 Number040400020503
Map

NAS ARM

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Collection Day15
Collection Month8
Collection Year2023
Year AccuracyActual
Statusestablished
CommentsOn August 30th, 2023, Alex and Prof. Reuben Keller returned to Jackson Park Inner Harbor. During the second visit they found that starry stonewort covers an area of at least several hundred square meters. Over this area it was growing densely with few other macrophytes present. A full survey was not attempted due to time and water condition constraints.
Record TypePersonal communication
Earliest Recordcounty
VerifierReuben Keller, Loyola University Chicago


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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/12/2024].

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