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- Group 1Lycophytes, Monilophytes
- Group 2Gymnosperms
- Group 3Monocots
- Group 4Woody angiosperms with opposite or whorled leaves
- Group 5Woody angiosperms with alternate leaves
- Group 6Herbaceous angiosperms with inferior ovaries
- Group 7Herbaceous angiosperms with superior ovaries and zygomorphic flowers
- Group 8Herbaceous angiosperms with superior ovaries, actinomorphic flowers, and 2 or more distinct carpels
- Group 9Herbaceous angiosperms with superior ovaries, actinomorphic flowers, connate petals, and a solitary carpel or 2 or more connate carpels
- Group 10Herbaceous angiosperms with superior ovaries, actinomorphic flowers, distinct petals or the petals lacking, and 2 or more connate carpels
Section BicoloresSee list of 2 species in this section
Reference: Ball (2002a).
1a. Perigynia becoming gold-orange just prior to being shed, smooth or minutely papillose; lateral spikes relatively sparsely flowered, the internodes of the mid-portion (0.5–) 0.7–1.5 mm long; uppermost spike usually entirely staminate; carpellate scales ovate-oblong, divergent in fruit
Show photos of: Each photo represents one species in this section.