Showing the pustules of spores.
Caution: Do NOT use iSpot to identify fungi to eat!
Some fungi are very poisonous so a mistaken ID could have serious consequences.
No interactions present.
Malc... I think it worth 'attending' to this again, considering your progress over the years.
A single picture, no support, no mention of spore-type and no agreements! It is not my place to offer a lower level ID - it's yours!
I 'say' this because I am looking for decent evidence for my own assumptions before posting Puccinia behenis/arenariae.
I am struggling without the means to look closely at spore so see this my first of, eventually, two http://www.ispotnature.org/node/829981
Lat/Lng: 54.104, -0.911
OS grid ref: SE713681