Shepherds Purse - Capsella Bursa-pastoris - The young leaves, before the plant comes into flower, add to salads, older leaves are a cress and cabbage substitute, more peppery with age. Young flowering shoots can be eaten like broccoli. Seed - very fiddly to harvest, can be eaten raw or cooked - it used to be ground into a meal and used in soups etc. see link for more esp as Mosquito trap! For good photos: http://www.ipm.ucdavis.edu/PMG/WEEDS/shepherdspurse.html
Salicornia quinqueflora 'Sea Asparagus' Found in a range of soil types from sands through sandy loams, clay loams to clay but prefers the heavier textures. Normally grows to 30 cm tall, sometimes to 50 cm but often much shorter and forming mats to only a few cm height.
COPROSMA quadrifida - Native currant grows to 3m. High with a spread of 1.5 m. Shiny red fruits 7mm long 5mm across; sweet and juicy with one or two seeds large enough to have to be spat out; edible. The early settlers in Australia used the fruit in puddings.
Suaeda australis (Seablite) - Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in saline soils. Can grow in semi-shade (light woodland) or no shade. It prefers moist soil. The plant can tolerate maritime exposure. Can eat raw, cooked or pickled
Acacia sophorae 'Coastal Wattle' Fast growing and hardy plant tolerant of all soils provided they are not waterlogged. At best in sunny position. maintenance Prune to maintain shape and promote a bushy habit. Tolerant of frost, drought, salt and smog. flowers: Spring. w4m h5m plant 100cm apart used in frontline coastal sand dune regeneration. Useful as hedges or windbreaks. Seeds are edible and can be roasted or ground into flour.