What is being measured?
Comparison uses the midpoint of the published 4–5 ft range. Published frond length, rather than overall plant spread. Growth varies with conditions; this is a horticultural range midpoint, not a population mean.
The comparison uses the midpoint of the stated range. That midpoint is a chosen reference, not a measured population mean.
- Dimension
- frond length
- Reference value
- 4.5 ft
- Evidence
- Chosen midpoint of a documented range
- In metres
- 1.3716 m
- Variant
- Frond only
- Source range
- 4–5 ft
- What the range means
- Published frond length, rather than overall plant spread.
Put the length in perspective
One Bird’s-nest fern — frond represents approximately 16 card lengths measured end to end. This is a length ratio; it does not calculate how the objects pack or fit.
Bird’s-nest fern — frond · 1.3716 m
Metre · 1 m
Foot (international) · 0.3048 m