Landcare Research - Manaaki Whenua

Landcare-Research -Manaaki Whenua

Frustulia cassieae Lange-Bertalot & T.Beier

Frustulia cassieae


Frustulia rhomboides var. elongatissima Manguin sensu Foged 1978

Type slide

Slide Oz-53 in Collection Lange-Bertalot (FR). Isotype slide NZ-42c and residual type sample NZ-42f in the collection of the Limnological Station, Technical University of Munich. Collected from Back Creek Swamp, West Coast District, South Island, New Zealand.

Institution holding the type material


Known distribution

According to the original authors, the species is restricted to slightly acidic, minerotrophic swamps on the south-western coast of the South Island of New Zealand, under conditions of low to medium nutrients and low productivity.


Referring to the New Zealand ecologist Vivienne Cassie.


Pending online publication of all the publisher's material, by request of the publisher.


Images published online with kind permission of Herbarium Senckenbergianum Frankfurt.

Funding from TFBIS (Terrestrial and Freshwater Biodiversity Information System), administered by the New Zealand Department of Conservation, is gratefully acknowledged.


Beier T, Lange-Bertalot H 2007. A synopsis of cosmopolitan, rare and new Frustulia species (Bacillariophyceae) from ombrotrophic peat bogs and minerotrophic swamps in New Zealand. Nova Hedwigia 85: 73-91.