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SAPIA News Issue 25 (July 2012)

  • Focus on cacti
  • History of invasive cacti and their control
  • Identification key to the naturalised and invasive cacti in South Africa
  • National Cactus Working Group
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SAPIA News Issue 24 (April 2012)

  • New aquatic invader in South Africa – small Salvinia
  • Emerging invasive alien species in adjoining areas of North West, Free State and Northern Cape Provinces
  • Chilean inkberry (Cestrum parqui)
  • Spiny blue-leaf cactus (Opuntia robusta)
  • Multi-headed sunflower (Helianthus annuus); boxing-glove cactus (Cylindropuntia fulgida); bird-of-paradise flower (Caesalpinia gilliesii); golden crown beard (Verbesina encelioides)
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SAPIA News Issue 23 (January 2012)

  • Invasive aroids
  • Arrowhead vine (Syngonium podophyllum)
  • Heart-leaf philodendron (Philodendron hederaceum)
  • Window leaf (Monstera deliciosa)
  • Silver vine – watch out for new potential weed on the south coast of KwaZulu-Natal
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SAPIA News Issue 22 (November 2011)

  • Emerging invasive alien plants in the Eastern Cape
  • Eastern Cape invaders – Nama-Karoo and dry grassland
  • Eastern Cape invaders – Albany thicket and savanna
  • Eastern Cape invaders – Amathole grassland and forest
  • Eastern Cape invaders – Fynbos
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SAPIA News Issue 21 (October 2011)

  • 21st SAPIA News celebrates biological control of invasive alien plants in South Africa
  • Biological control in South Africa: introduction and history
  • Biocontrol of Alien Invasive Plants: achievements and progress
  • Integration of biological control with other control measures
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SAPIA News Issue 20 (July 2011)

  • Invasive berry-producing Solanaceae
  • Declared weeds: Cestrum species (inkberries and jessamines)
  • Declared weeds: Solanum species (bitter apples, nightshades)
  • Proposed declared weeds and emerging species
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SAPIA News Issue 19 (April 2011)

  • Rubus species – brambles, blackberries and others
  • Rubus species – morphology and taxonomy
  • Key to the identification of Rubus species
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SAPIA News Issue 18 (January 2011)

  • 2011: International year of forests
  • Most invasive alien plants facilitate natural forest recovery – how is that possible?
  • Forest dynamics and natural forest succession
  • Manipulation of alien plant stands
  • Management of three types of IAPs in forests
  • More invasive alien plants in forest
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SAPIA News Issue 17 (October 2010)

  • Focus on invasive aquatic plants
  • Invasive aquatic plants in South Africa
  • Comprehensive guide to identification of invasive aquatic plants
  • Biological control of invasive plants
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SAPIA News Issue 16 (July 2010)

  • Lantana control recommendations
  • Tribute to Michael John Wells
  • Nasella tussock (Nassella trichotoma) threatens you!
  • Biological control of invasive plants – lantana
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