• 

  Angiosperm families - Thunbergiaceae Van Tiegh.

  http://www.delta-intkey.com/angio/www/thunberg.htm

  Description of Thunbergiaceae Van Tiegh., generated from a DELTA database.

• 

  Grass Genera of the World - Spinifex L.

  http://www1.biologie.uni-hamburg.de/b-online/delta/grass/www/spinifex.htm

  Description of Spinifex L., generated from a DELTA database.

• 

  Angiosperm families - Leguminosae-Caesalpinioideae Kunth

  http://www.delta-intkey.com/angio/www/caesalpi.htm

  Description of Leguminosae-Caesalpinioideae Kunth, generated from a DELTA database.

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