Ulva lactuca images by Ryan Murphy
Description: This plant is light to dark green, erect, lanceolate to broadly ovate, often ruffled along the margins, 18-60 cm. high; at times irregularly split into broad lobes, tapering abruptly near the base to a short stipitate region and a small discoid holdfast of rhizoidal cells.
Habitat: On rocks and epiphytic on other algae in the upper intertidal zone; often floating on mud flats in the lower intertidal zone in quiet bays and lagoons.
Pacific Coast Distribution: Bering Sea to Chile.
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- Ulva lactuca with Bangia fuscopurpurea
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- U. lactuca with various rhodophytes
Robert Scagel, 1972
Scientific classification
Kingdom: Plantae
Phylum: Chlorophyta
Class: Ulvophyceae
Order: Ulvales
Family: Ulvaceae
Genus: Ulva
Species: U. lactuca
Ulva lactuca
Linnaeus, 1753
 Return to the Race Rocks Taxonomy and Image File |
 The Race Rocks taxonomy is a collaborative venture originally started with the Biology and Environmental Systems students of Lester Pearson College UWC. It now also has contributions added by Faculty, Staff, Volunteers and Observers on the remote control webcams. Dec 2005-Ryan Murphy |