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What

Greenhood Orchids Genus Pterostylis

Observer

memopob

Date

December 4, 2014

Description

Dorsal hunchbacked, tip up-turned.
80mm total height, leaves narrow.
Labellum broad, arched evenly, tip red and emarginate and not at all pinched, flower a similar size to Pt banksii, synsepalum parting at close to 180 degrees, column tall.

Habitat open scrub in limestone karst. Quite commonly encountered, often with even shorter acicular leaves held stiffly erect.
Found in montane situations at a number of locations throughout the South Island and one in the North Island.
The galea is distinctive.
Has been tagged PT 'karst'.
Hope this inspires a little interest.

Sharing this habitat are Pt banksii, Pt australis, Pt oliveri, Pt montana and Pt irwinnii

Photos / Sounds

What

Spider orchids Genus Corybas

Observer

memopob

Date

October 14, 2009

Description

Part of the Corybas trilobus aggregate. Yet to be named.

In many features this is similar to the named Chathams species Corybas sulcatus.

Notable features. Flowers distinctively pale with same pinkish base shade throughout only becoming green towards the base of the dorsal sepal. Heavily striped and unique in the respect.
General shape: almost spherical, labellum has a large and deep cleft, bib with fairly sparse hairs. Central disc prominent, pinkish. Auricles forward pointing.
Habitat seepages under kanuka.
I have found no association to beech thus far.
Naturally sparse and possibly under threat from future forest development as currently locally known only from private land.

Photos / Sounds

Observer

memopob

Date

October 6, 2002

Description

Originally part of the Corybas trilobum aggregate.

Grows in upper montane beech forest habitat and tolerates quite dry situations.
It is unique among the agg in that it flowers sub-litter and can rarely be photographed without disturbing the plant. Flowers are the smallest in the agg, often only reaching 5-7 mm across. They have disproportionately long purple tepals which are often the only part of the flower visible above the litter level. Flowers are generally quite ball shaped and the labellum excessively hairy. Labellum wings are ragged with deep laciniations. Leaves very trilobed.
Often in large colonies with few flowers, but on occasions flower prolifically when conditions are good.
Common in the dryer Eastern ranges of Nelson and about the Nelson Lakes NP but found from East Cape to South Canterbury. Not threatened.

Photos / Sounds

What

Corybas walliae Corybas wallii

Observer

memopob

Date

November 9, 2002

Description

Under regenerating beech and kanuka forest.

Flowers here notably translucent and pappilose on the dorsal, and both inside and out on the labellum. A local feature here. Another common local feature is ridge on the dorsal giving a conical rather than spathulate frontal aspect.

Photos / Sounds

What

Corybas walliae Corybas wallii

Observer

memopob

Date

November 22, 2003

Description

Originally part of the Corybas trilobus aggregate.

Occurs mainly at elevation [sub-alpine] under beech forest at Nelson's latitude, but can on rare occasions be found in cold shaded riverine habitat at lower altitudes.

Distinguishing features. Flower light apple green with labellum bib frequently translucent. Dorsal broadly spathulate often ridged and can have a faint reddish or purple flush at the distal end on occasions. Leaves trilobate, flower generally above the leaf.
Previously tagged Corybas 'triwhite' by Eric Scanlen.

The last [rather poor] photo has been included to show C. wallii and C. vitreus [right] growing sympatrically. I have been observing these colonies for 20 years and have never seen any evidence of hybridisation, which vindicates recognition of these as separate species, clearly using different pollinator vectors.

Photos / Sounds

Square

Observer

memopob

Date

November 30, 2002

Description

Rear view showing the auricles and shape of the lower dorsal and attachment of filament petals and sepals.

Photos / Sounds

Observer

memopob

Date

November 24, 2010

Description

Specimens from site where it was first tagged as Corybas 'darkie'.

This is the latest flowering species in the Corybas trilobus agg and it is possible to find specimens still in flower in January.
Fl. Nov to Jan.
Forms large colonies.

For those interested in the internal makeup a longitudinal disect.

Photos / Sounds

Square

Observer

memopob

Date

November 24, 2002

Description

Originally part of the Corybas trilobus agg. First recognised as distinct by Dr Graeme Jane at Dip Flat, Rainbow Rd, Wairau.

Distinguished by its almost completely black-red colouration.
Some green can occur toward the base of the dorsal sepal and the labellum has a green disc.
Main physical ID: Dorsal sepal spathulate, blunt, usually emarginate and has a rugose surface and raised ridges. Distinguished from C confusus by dorsal shape and trilobate leaves which frequently have a purple central vein and marginal maculae in a similar colour.
Habitat beech forest fringes and places where regeneration to beech forest is occuring.
Common in Nelson Lakes NP and surrounding district.

Photos / Sounds

Observer

memopob

Date

October 16, 2011

Description

Originally part of the Corybas trilobum aggregate. First recognised in the South Is from this site.
Habitat is high montane to subalpine in small clearings with beech forest associations.
Typified by quite a long sub-acute projecting dorsal sepal freckled to various degrees with maroon markings, leaf is round in non flowering specimens but plants develop a shovel shaped leaf when flowering.
Originally tagged as Corybas [Nematoceras] roundleaf and first identified by Bruce Irwin at Whakapapa. Flowers Oct-Dec. Not threatened but naturally sparse.
Scale in first photo: Clip of pen 55mm long.

Photos / Sounds

Square

What

Maritime Sunburst Lichen Xanthoria parietina

Observer

memopob

Date

June 4, 2017

Description

At about 400m near the highest point of Pepins Is, saxicolous.

Fungi

Photos / Sounds

What

Fungi and Lichens Kingdom Fungi

Observer

memopob

Date

July 10, 2017

Description

Lichen with tiny thallus to c 5mm
forming extensive colonies to 200mm across.
Corticolous on introduced sp. Linear thallus 1-2mm wide appears to be +/- foliose with prominent but sparse white rhizines. Apothecia few, tiny,[1mm across] marginal and mostly terminal, cup shaped with olive inner surface.

Not sure which family.

Photos / Sounds

What

slime molds Phylum Mycetozoa

Observer

memopob

Date

July 10, 2017

Description

Corticolous on Red Alder or similar European sp.

Series of tiny purple balls each approximately 1mm across.

Surface quite rugose. Very scarce
appearing on only one out of 50+ trees of this sp along the cycleway.
Position on tree, waist height, one colony facing morning sun, the other on south side.

Photos / Sounds

What

Coprosma Genus Coprosma

Observer

memopob

Date

July 11, 2017

Description

Attractive shrub to 2m high.
Highly glossy obovate to linear ovate strongly coriaceous leaves [25]-30-[35mm] long and [8] - 10 - [14mm] wide. Distinctive bronze brown on upper surface, green with purplish venation below, leaves petiolate to 5mm, petioles barely winged, stems and branchlets straight and entirely glabrous even under a glass.

Grown from a cutting 25 years ago taken locally from the wild, but unfortunately cannot recall where.
Seems to key closest to C spathulata but the leaves are an extremely poor match, many being almost linear, which suggests a possible natural cross perhaps?
Buds visible in last pic, not terminal. Fruit a drupe.

Photos / Sounds

Observer

memopob

Date

May 25, 2017

Description

Semi-crustose, saxicolous, no obvious pro-thallus.
Grey thallus cracks with age,folii are tightly packed to form a crust. Seems to form pseudocyphellae on upper surface along cracks and develop pale pinkish cephalodia randomly on older growths.

Photos / Sounds

Square

Observer

memopob

Date

June 22, 2017

Description

Saxicolous, foliose, thallus pale grey green, margins sinuate. Folii broad, surface shallowly wrinkled, margins entire. Seems to develop soredia with age. Fruiting bodies not seen.
Photo may have a narrower grey sp of foliose lichen growing sympatrically with it or it displays some dimorphism.
A family or genus please!

Photos / Sounds

Observer

memopob

Date

June 22, 2017

Description

Saxicolous, foliose with distinctive rolled margins covered in soredia or isidia [not sure which].
Young growths begin with sinuose margins with frequent incisions.
Thallus surface glabrous, olive green.
Given the right genus this might well be quite identifiable. Parmelia or that family maybe.

If Pannaria, then possibly P. fulvescens.
Very closely matches Erioderma sorediatum however the lack of visible rhizines seems to preclude this, leaving no described Pannariaceae which come close.

Photos / Sounds

What

beard lichens Genus Usnea

Observer

memopob

Date

June 22, 2017

Description

Seems to key to Usnea tenerior.
Thallus shrubby not pendulous up to 60mm high, branches inflated-terete without pappillae and no obvious soredia, corticolous, but forgot to note on what sp.
No fruiting bodies present.

Photos / Sounds

Observer

memopob

Date

June 22, 2017

Description

Unsure of Genus.
Saxicolous on granite
Black, patchy prothallus extending outside thallus margins.
Undersurface dk grey to black.
Thallus branching irregularly, elongate, foliose, margins entire, lobes rounded, appear to get larger with age then margins curl back to expose underside and form a rolled/thickened edge on mature parts of the plant. Are these the reproductive surfaces[?] as no apothecia are present.

Photos / Sounds

Observer

memopob

Date

June 22, 2017

Description

Unusual in that it's host is a black granite headstone, whereas this sp is normally corticolous and plenty were evident on nearby trees.

Thallus flattened, straplike with entire tips and the older growth with ridging.

Living sympatrically with several other lichen sp.
Shown at top of second pic with Lobaria, Dufouria, mosses, fine and coarse Parmelia? spp and a white crustose sp

Photos / Sounds

Observer

memopob

Date

June 24, 2017

Description

Thallus green photobiont, shallowly faveolate, apothecia sparse and not marginal, disc red-brown. Medulla yellow, underside pale unless very old.Yellow pseudocyphellae. Loosely attached, but from multiple points

Photos / Sounds

Observer

memopob

Date

June 24, 2017

Description

Thallus green photobiont, dichotomous, with smoothe margins. Faveolate and elongated. Apothecia range from pale to blackish lilac, situated marginally.
Underside blackish brown on mature lobes, pseudocyphellae white.
Host beech and growing sympatrically with other foliose lichens notably Yarumia colensoi.

Photos / Sounds

What

koromiko Veronica salicifolia

Observer

memopob

Date

June 24, 2017

Description

Large leaf with distinctive sinus

Photos / Sounds

What

ferns Phylum Pteridophyta

Observer

memopob

Date

June 24, 2017

Description

Soft brackenlike fern

Photos / Sounds

What

Kiokio Blechnum novae-zelandiae

Observer

memopob

Date

June 24, 2017

Description

Fronds large with long pinnae.
Edges black, in places it appeared whole fronds had turned dark [but not dead?]
Rachis rough but without scales

Photos / Sounds

Square

What

Coprosma Genus Coprosma

Observer

memopob

Date

June 24, 2017

Description

Ovate leaves no pale centres in upper leaf surface

Photos / Sounds

What

Webcaps Genus Cortinarius

Observer

memopob

Date

June 24, 2017

Description

Caps about 100mm across, host beech forest

Photos / Sounds

Observer

memopob

Date

June 22, 2017

Description

Saxicolous on headstones in cemetery

Photos / Sounds

What

Pohutukawa Metrosideros excelsa

Observer

memopob

Date

June 22, 2017

Description

Just coming into flower.

Photos / Sounds

What

Round Leaved Coprosma Coprosma rotundifolia

Observer

memopob

Date

June 18, 2017

Description

Small divaricating shrub encountered under beech forest at times.

Photos / Sounds

Observer

memopob

Date

June 18, 2017

Description

Podostictina degelii ??

Corticolous, beech host, upper thallus surface distinctively faveolate to the extreme with age.
Apothecia have red surface with fairly plain raised yellow margins. Pretty much lacks isidia, phyllidia and soredia margins +/- entire.
Under surface bright yellow ageing to black with prominent pseudocyphellaria.

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