Flora Zambesiaca

Keys

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Key to families and higher groups


1 a Ovules naked, not enclosed in ovaries formed of infolded or united carpels; flowers (strobili) unisexual, without a perianth
Key to  Gymnospermae
b – Ovules enclosed in ovaries formed of infolded or united carpels; flowers bisexual or unisexual, with or without a perianth
Key to  Angiospermae
2 a Pteridophyta
Key to  Pteridophyta

Flora Zambesiaca