Edwin Daniel Hatch

Aporostylis is a genus of flowering plants from the orchid family, Orchidaceae. At the present time, only one species is known: Aporostylis bifolia, native to New Zealand (including the Chatham Islands and the Antipodes Islands).

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Corybas cryptanthus, commonly known as hidden spider orchid or icky, is a species of terrestrial orchid endemic to New Zealand. It has no obvious leaves and the mostly white flower is usually buried in leaf litter. The plant is usually only detected by its fruiting capsule which is borne on a stem which elongates up to 280 mm (10 in) high.

Corybas carsei, commonly known as the swamp helmet orchid, is a species of terrestrial orchid endemic to the North Island of New Zealand. It is found only in Whangamarino Wetland in the Waikato District, where the population of fewer than 250 plants and is assessed as "Critically Endangered".

Corybas acuminatus, commonly known as the dancing spider orchid or helmet flower, is a species of terrestrial orchid endemic to New Zealand. It has a triangular, sharply pointed leaf and a small translucent, greenish-white flower with purple markings and with very long sepals. It is found on both the main islands of New Zealand and also some of the off-shore islands.

Pterostylis montana is a species of greenhood orchid endemic to New Zealand. Flowering plants have erect, linear leaves on the flowering stem with a single green flower with translucent white stripes and an unusual twisted labellum.

Pterostylis irsoniana is a species of greenhood orchid endemic to New Zealand. There are up to five erect leaves on the flowering stem with a single dark green flower with white stripes and a reddish tinge on the tips. It has a distinctive curved labellum with a curled tip with a dark red callus.

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Danhatchia australis is a species of terrestrial orchid, lacking chlorophyll and obtaining nutrients from fungi in the soil. It is native to New Zealand (both main islands) and to New South Wales. Within New Zealand, this species is classified as At Risk - Naturally Uncommon.

Caladenia bartlettii is a plant in the orchid family Orchidaceae and is endemic to New Zealand. It is a ground orchid with a single narrow, hairy leaf and a thin wiry stem usually bearing one short-lived mauve to pink flower.

Pterostylis alobula, commonly known as winter greenhood, is a species of orchid endemic to New Zealand. As with similar greenhoods, the flowering plants differ from those which are not flowering. The non-flowering plants have a rosette of leaves flat on the ground but the flowering plants have a single flower with leaves on the flowering spike. This greenhood has pale green and white-striped flowers, similar to those of another New Zealand greenhood, P. trullifolia but are larger and paler in colour.