Higher seagrass cover and biomass increases sexual reproductive effort: A rare case study of Zostera muelleri in New Zealand

•Corrects misconception that flowering in New Zealand Zostera muelleri is rare.•First study of Zostera muelleri flowering in a New Zealand estuary.•Flowering was associated with intertidal patches of higher plant cover and biomass.•Stressors that prevent development of dense patches will limit sexua...

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