Posts tagged "Phlegra"

Phlegra Montes southern tip topography

Some cool tips digital camera images:

Phlegra Montes southern tip topography
tips digital camera
Image by europeanspaceagency
This colour-coded topographic view of the southernmost portion of Phlegra Montes is based on a digital terrain model of the region, from which the topography of the landscape can be derived. White and red show the highest terrains, and green shows the lowest-lying terrain.

The data were acquired by the High Resolution Stereo Camera on ESA’s Mars Express on 8 October 2014 during orbit 13670. The image is centred on 31ºN / 160ºE. The ground resolution is about 15 m per pixel.

Credit: ESA/DLR/FU Berlin, CC BY-SA 3.0 IGO

Where expressly stated, images are licensed under the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence. The user is allowed to reproduce, distribute, adapt, translate and publicly perform it, without explicit permission, provided that the content is accompanied by an acknowledgement that the source is credited as ‘ESA/DLR/FU Berlin’, a direct link to the licence text is provided and that it is clearly indicated if changes were made to the original content. Adaptation/translation/derivatives must be distributed under the same licence terms as this publication.

tips digital camera
Image by amadej2008
Stemonitis flavogenita E.Jahn
Slo.: ?

Typical plates at the end of columellae can be seen also without microscopy at the ends of damaged sporangia (marked by arrows).

Dat.: Aug. 11. 2014
Lat.: 46.36119 Long.: 13.70107
Code: Bot_823/2014_DSC2764

Habitat: old partly overgrown pasture, near mixed wood edge, moderately southeast inclined foot of a mountain; open, dry, sunny place; shallow, skeletal, calcareous ground, exposed to direct rain, average precipitations ~ 3.000 mm/year, average temperature 7-9 deg C, elevation 630 m (2.070 feet), alpine phytogeographical region.

Substratum: north side of a stump of Picea abies (on decorticated part) cut down three years ago.

Place: Lower Trenta valley, between villages Soča and Trenta, upper part of ‘Na melu’ place, East Julian Alps, Posočje, Slovenia EC

Comment: Highly distinctive traits of Stemonitis flavogenita are typically zig-zag bent columella with a kind of plate at the end just before the end of sporangia (Ref.:1). It is not gradually tapering toward the end of sporocarp as with other species of genus Stemonitis. It is also distinguished by the presence of membranous expansions in the capillitium. Also agreement of macroscopic properties fit well to literature, so I hope the determination is correct. This observation may be interesting since this species is listed neither in Boletus Informaticus data base, Mycotheca and lichen herbarium (LJU-Li) of Slovenian Forestry Institute nor in official Slovenian fungi checklist.

Sporocarp color rusty, oac719; spores on mass chocolate brown, oac635. Stalks 2.5 to 3 mm long, total length of sporangia 9 mm, all of them were fairly the same length, very closely tufted, their tips blunt. The whole clump had 14 mm in diameter.

Spores finely warted, globose. Dimensions: 8,4 [8,8 ; 9] 9,5 x 8,2 [8,6 ; 8,7] 9,1 microns; Q = 1 [1,0] 1,1; N = 32; C = 95%; Me = 8,9 x 8,7 microns; Qe = 1. Olympus CH20, NEA 100x/1.25, magnification 1.000 x, oil (spores), NEA 10x/0.25, magnification 100x (all other pictures); in water. AmScope MA500 digital camera.

(1) B. Ing, The Myxomycetes of Britain and Ireland,The Richmond Publ. Co.Ltd, (1999), p 199.
(2) S.L.Stephenson and H.Stempen, Myxomycetes, Timber Press Inc.(2000), p 153.