Sporulation and spore viability in Nephrolepis exaltata (L.) Schott, Nephrolepidaceae, collected from a naturalised population (Oratia, Tāmaki Makaurau / Auckland, Aotearoa / New Zealand)

Campbell James, Mark Large*

Affiliation:
School of Environmental and Animal Sciences, Unitec | Te Pūkenga, Private Bag 92025, Victoria Street West, Auckland 1142.
*corresponding author: mlarge@unitec.ac.nz

Received: 22 August 2023 | Accepted: 02 October 2023 | Published: November 2023
Senior Editor: Dan Blanchon
https://doi.org/10.34074/pibs.00802

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Abstract
This paper examines fertile material of Nephrolepis exaltata (L.) Schott grown in cultivation, but originally obtained from a naturalised population in Oratia, Tāmaki Makaurau / Auckland, Aotearoa / New Zealand. Spore viability is assessed, with material showing c.40–50% spore abnormality. The presence of spores with a more regular morphology are recorded. However, viability assessed with fluorescein diacetate (FDA) is low to negligible.