Parkeriaceae

Hooker
Common names: Water Fern Family
Found in FNA Volume 2. Treatment on page 119.
Plants short-lived, rooted or floating. Stems erect, bearing a few thin scales. Leaves dimorphic, erect to spreading, with adventitious bud initials or small plantlets along margins; proximal leaves sterile, herbaceous, venation reticulate, without included veinlets; distal leaves fertile, larger than sterile leaves; segments revolute, covering sporangia. Sporangia abaxial, thin-walled, with mixed development, bearing 0–71 indurate annulus cells. Spores yellow, 16 or 32 per sporangium, 70–150 µm diam. Gametophytes terrestrial, green, asymmetrically cordate.

Distribution

Tropical, subtropical, and warm temperate regions worldwide.

Discussion

Genus 1, species 3–4 (3 species in the flora).

Facts about "Parkeriaceae"
AuthorRobert M. Lloyd +
Common nameWater Fern Family +
IllustratorJohn Myers +
Referencebenedict1909a + and lloyd1974a +
Taxon nameParkeriaceae +
Taxon rankfamily +
VolumeVolume 2 +