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  • Excursie Veenhuizen
    Excursie Veenhuizen home vereniging excursies

    Original URL path: http://www.varenvereniging.nl/temp/frameslideshow8.htm (2015-08-10)
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  • Excursie Kleos baumfarne
    Fotoimpressie excursie Kleos baumfarne home vereniging excursies Foto serie van de excursie Op de Haar fotografie Bert Vonk

    Original URL path: http://www.varenvereniging.nl/temp/frameslideshow4.htm (2015-08-10)
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  • Varens algemeenwetenschappelijk onderzocht
    over varens varens wetenschappelijk onderzocht Genetic evidence that ferns with high chromosome numbers are diploid Plant diversity patterns in the Mediterrean Basin Three new species of ferns from Mexico Muurplanten

    Original URL path: http://www.varenvereniging.nl/overvarens/menuvarensAlgemeen.htm (2015-08-10)
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  • Cystopteris wetenschappelijk onderzocht
    The hybrid Cystopteris fragilis X C tenuis Cystopteris Cystopteris utahensis Cystopteris Cystopteris dickieana Cystopteris Cystopteris fragilis en dickieana Cystopteris Cystopteris diaphana Cystopteris Canarische eilanden Cystopteris dickieana neu fur Osterreich Cystopteris distribution within the Flora Iranica region Cystopteris tasmanica en fragilis

    Original URL path: http://www.varenvereniging.nl/overvarens/menuvarensCystopteris.htm (2015-08-10)
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  • Gymnocarpium wetenschappelijk onderzocht
    Gymnocarpium A numerical analysis of chromatographic profiles Gymnocarpium Chromosome counts from Finland Gymnocarpium dryopteris in the Netherlands Gymnocarpium soorten beschreven Gymnocarpium appalachianum Gymnocarpium Evidence for the Allotetraploid origin Gymnocarpium Spore

    Original URL path: http://www.varenvereniging.nl/overvarens/menuvarensGymnocarpium.htm (2015-08-10)
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  • polystichum wetenschappelijk onderzocht
    home over varens varens wetenschappelijk onderzocht Polystichum Evidence for an allopolyplois complex in New Zealand Polystichum Recovery strategy for P lemmonii in British Columbia Polystichum minutissimum Polystichum californicum

    Original URL path: http://www.varenvereniging.nl/overvarens/menuvarensPolystichum.htm (2015-08-10)
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  • Collecting spores
    in sporangia which are borne in clusters called sori Not all leaves bear spores and some cultivated ferns don t bear spores at all step 3 Look well at the colour of the sori If the sori have bright light colours and a shiny surface the spores are not ripe step 4 If the sori are darker we have more chance that we are at the right time for picking step 5 Often sori may be protected by an umbrella like indusium When spore ripe the indusium folds back The spores are able to escape now This is the moment to pick your spores step 6 If you wait to long the sori are empty and the colour is not dark anymore but mostly more light brown You are to late look at another leaf as not all the leaves ripen at the same time step 7 Again from left to right Ripe unripe overripe step 8 After picking a leaf with ripe spores we have to clean the leaf from spores of other ferns and mosses step 9 After cleaning we cut the leaf in smaller parts saving the parts with good spores The scissors should be cleaned before using step 10 Lay the cleaned parts on an clean and dry towel step 11 Dry the leaves thoroughly by pushing firmly step 12 and another time after turning them over step 13 Take a clean sheet of white paper step 14 Fold in the leaves step 15 And close the paper this way step 16 Write down the exact name of the fern on the folded paper step 17 Also write down the date op picking And if you give the spores to someone else put your name on the envelope step 18 After some time mostly days the

    Original URL path: http://www.varenvereniging.nl/overvarens/sporen_verzamelen_english.htm (2015-08-10)
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  • Varens zaaien en opkweken
    a little patience you can grow a lot of them Make sure you read about the habits of the fern you want to grow and if it is already growing in your garden and want somemore it will be a ensured success At first spores are collected read the articlele Collecting spores Below you see step for step what is required for the successful cultivation of ferns 1 The basis can be a regular potting soil 2 Use of a transparent container wit reusable cover 3 Clean the container and cover well 4 Fill the container with 2 to 4 inches of soil 5 Moisten the soil don s soak it 6 Use a spoon to compress the soil 7 Place the container in the microwave and heat for 3 minutes on maximum 8 Let the soil cool with the lid on and open your spores package 9 Sprinkle a small amount of the spores on the cooled soil 10 Close the container immediately after sowing 11 Always write the name of the fern on the container and date of sowing Place the container on a light place out of direct sunlight 12 After a few weeks to months we

    Original URL path: http://www.varenvereniging.nl/overvarens/zaaien-en-opkweken-english.htm (2015-08-10)
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