First Record of Pectodictyon Pyramidale (Chlorophyta, Sphaerodictyaceae) in the New World

James K. Wetterer; Roman E. Romanov

doi:10.2478/trser-2026-0003

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First Record of Pectodictyon Pyramidale (Chlorophyta, Sphaerodictyaceae) in the New World

Transylvanian Review of Systematical and Ecological Research

Volume 28 (2026): Issue 1 (April 2026)

By: James K. Wetterer and Roman E. Romanov

Open Access

|May 2026

Abstract

Pectodictyon pyramidale Akiyama and Hirose is a microscopic alga currently placed in the family Sphaerodictyaceae with just three other species, Pectodictyon cubicum Taft, Dictyastrum mirabile Beck, and Sphaerodictyon coelastroides Jao. Pectodictyon pyramidale was originally described from Japan, and has been reported from additional sites in Asia, Europe, and Africa. Here, we report P. pyramidale for the first time in the New World. We collected this species at six artificial bodies of water (five freshwater retention ponds and one canal) in Martin County, Florida during summer 2025. This species probably established in the region as a result of accidental introduction, possibly accompanying imported aquatic ornamentals, such as the sacred lotus, Nelumbo nucifera Gaertn.

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Articles in this issue

DOI: https://doi.org/10.2478/trser-2026-0003 | Journal eISSN: 2344-3219 | Journal ISSN: 1841-7051

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Language: English

Page range: 71 - 76

Published on: May 15, 2026

Published by: Lucian Blaga University of Sibiu

In partnership with: Paradigm Publishing Services

Publication frequency: 3 issues per year

Keywords:

Florida,

floristic novelty,

green algae,

Pectodictyon pyramidale

Related subjects:

Life sciences,

Ecology

© 2026 James K. Wetterer, Roman E. Romanov, published by Lucian Blaga University of Sibiu
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Volume 28 (2026): Issue 1 (April 2026)