Pellaea rotundifolia 15 claims

species · family Pteridaceae · green plant · NCBI Taxonomy ↗

Common name: button fern — NCBI synonyms: Hemionitis rotundifolia · Pteris rotundifolia

4 spellings

Pellaea rotundifoliaIan Armitage · CC BY 4.0 · iNaturalist ↗

15 claims

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Observationobservedoriginal resultmeasured

Claim · model-written summary

Specific leaf area was 224 ± 32 cm2/g.

Taxon: P. rotundifoliaPellaea rotundifoliae0
Outcome: specific leaf area (SLA)e0
Value: 224 ± 32 cm2/ge0

Not reportedSetting

Verbatim

e0
“specific leaf area (SLA) of P. rotundifolia was 224 ± 32 cm2/g”
✓ located verbatim in the source · abstract, characters 269–331

Title

A Photophysiological Study of Cultivated Pellaea rotundifolia

O. Roger Anderson American Fern Journal 2025. doi:10.1640/0002-8444-115.3.169

Other claims from this paper (12)

Observation Stomatal density was 2,428 ± 126 cm–2.
Observation Stomatal length was 51.90 ± 0.43 µm.
Observation Stomatal width was 34.10 ± 0.53 µm.
Observation Leaf percent water was 71.83 ± 2.37.
Observation Chlorophyll content index was 36.86 ± 5.88.
Observation Maximum quantum yield was 0.75 ± 0.01.
Observation PS II electron flux was 1.07 ± 0.03.
Observation Exciton electron transport probability was 0.69 ± 0.01.
Observation Area-based net photosynthesis was c. 3.00 ± 0.15 µmol CO2 m–2 s–1.
Observation Dry-weight based net photosynthesis was 4.00 ± 0.18 µmol CO2 gdw–1 min–1.
Observation Area-based dark respiration was 0.42 ± 0.10 µmol CO2 m–2 s–1.
Observation Dry-weight based dark respiration was 0.61 ± 0.16 µmol CO2 gdw–1 min–1.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Stomatal density was 2,428 ± 126 cm–2.

Taxon: P. rotundifoliaPellaea rotundifoliae0
Outcome: stomatal densitye0
Value: 2,428 ± 126 cm–2e0

Not reportedSetting

Verbatim

e0
“P. rotundifolia was 224 ± 32 cm2/g, stomatal density was 2,428 ± 126 cm–2”
✓ located verbatim in the source · abstract, characters 297–370

Title

A Photophysiological Study of Cultivated Pellaea rotundifolia

O. Roger Anderson American Fern Journal 2025. doi:10.1640/0002-8444-115.3.169

Other claims from this paper (12)

Observation Specific leaf area was 224 ± 32 cm2/g.
Observation Stomatal length was 51.90 ± 0.43 µm.
Observation Stomatal width was 34.10 ± 0.53 µm.
Observation Leaf percent water was 71.83 ± 2.37.
Observation Chlorophyll content index was 36.86 ± 5.88.
Observation Maximum quantum yield was 0.75 ± 0.01.
Observation PS II electron flux was 1.07 ± 0.03.
Observation Exciton electron transport probability was 0.69 ± 0.01.
Observation Area-based net photosynthesis was c. 3.00 ± 0.15 µmol CO2 m–2 s–1.
Observation Dry-weight based net photosynthesis was 4.00 ± 0.18 µmol CO2 gdw–1 min–1.
Observation Area-based dark respiration was 0.42 ± 0.10 µmol CO2 m–2 s–1.
Observation Dry-weight based dark respiration was 0.61 ± 0.16 µmol CO2 gdw–1 min–1.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Stomatal length was 51.90 ± 0.43 µm.

Taxon: P. rotundifoliaPellaea rotundifoliae0
Outcome: stomatal lengthe0
Value: 51.90 ± 0.43 µme0

Not reportedSetting

Verbatim

e0
“P. rotundifolia was 224 ± 32 cm2/g, stomatal density was 2,428 ± 126 cm–2, stomatal length was 51.90 ± 0.43 µm”
✓ located verbatim in the source · abstract, characters 297–407

Title

A Photophysiological Study of Cultivated Pellaea rotundifolia

O. Roger Anderson American Fern Journal 2025. doi:10.1640/0002-8444-115.3.169

Other claims from this paper (12)

Observation Specific leaf area was 224 ± 32 cm2/g.
Observation Stomatal density was 2,428 ± 126 cm–2.
Observation Stomatal width was 34.10 ± 0.53 µm.
Observation Leaf percent water was 71.83 ± 2.37.
Observation Chlorophyll content index was 36.86 ± 5.88.
Observation Maximum quantum yield was 0.75 ± 0.01.
Observation PS II electron flux was 1.07 ± 0.03.
Observation Exciton electron transport probability was 0.69 ± 0.01.
Observation Area-based net photosynthesis was c. 3.00 ± 0.15 µmol CO2 m–2 s–1.
Observation Dry-weight based net photosynthesis was 4.00 ± 0.18 µmol CO2 gdw–1 min–1.
Observation Area-based dark respiration was 0.42 ± 0.10 µmol CO2 m–2 s–1.
Observation Dry-weight based dark respiration was 0.61 ± 0.16 µmol CO2 gdw–1 min–1.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Stomatal width was 34.10 ± 0.53 µm.

Taxon: P. rotundifoliaPellaea rotundifoliae0
Outcome: stomatal widthe0
Value: 34.10 ± 0.53 µme0

Not reportedSetting

Verbatim

e0
“P. rotundifolia was 224 ± 32 cm2/g, stomatal density was 2,428 ± 126 cm–2, stomatal length was 51.90 ± 0.43 µm, stomatal width was 34.10 ± 0.53 µm”
✓ located verbatim in the source · abstract, characters 297–443

Title

A Photophysiological Study of Cultivated Pellaea rotundifolia

O. Roger Anderson American Fern Journal 2025. doi:10.1640/0002-8444-115.3.169

Other claims from this paper (12)

Observation Specific leaf area was 224 ± 32 cm2/g.
Observation Stomatal density was 2,428 ± 126 cm–2.
Observation Stomatal length was 51.90 ± 0.43 µm.
Observation Leaf percent water was 71.83 ± 2.37.
Observation Chlorophyll content index was 36.86 ± 5.88.
Observation Maximum quantum yield was 0.75 ± 0.01.
Observation PS II electron flux was 1.07 ± 0.03.
Observation Exciton electron transport probability was 0.69 ± 0.01.
Observation Area-based net photosynthesis was c. 3.00 ± 0.15 µmol CO2 m–2 s–1.
Observation Dry-weight based net photosynthesis was 4.00 ± 0.18 µmol CO2 gdw–1 min–1.
Observation Area-based dark respiration was 0.42 ± 0.10 µmol CO2 m–2 s–1.
Observation Dry-weight based dark respiration was 0.61 ± 0.16 µmol CO2 gdw–1 min–1.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Leaf percent water was 71.83 ± 2.37.

Taxon: P. rotundifoliaPellaea rotundifoliae0
Outcome: leaf percent watere0
Value: 71.83 ± 2.37e0

Not reportedSetting

Verbatim

e0
“P. rotundifolia was 224 ± 32 cm2/g, stomatal density was 2,428 ± 126 cm–2, stomatal length was 51.90 ± 0.43 µm, stomatal width was 34.10 ± 0.53 µm, and leaf percent water was 71.83 ± 2.37”
✓ located verbatim in the source · abstract, characters 297–484

Title

A Photophysiological Study of Cultivated Pellaea rotundifolia

O. Roger Anderson American Fern Journal 2025. doi:10.1640/0002-8444-115.3.169

Other claims from this paper (12)

Observation Specific leaf area was 224 ± 32 cm2/g.
Observation Stomatal density was 2,428 ± 126 cm–2.
Observation Stomatal length was 51.90 ± 0.43 µm.
Observation Stomatal width was 34.10 ± 0.53 µm.
Observation Chlorophyll content index was 36.86 ± 5.88.
Observation Maximum quantum yield was 0.75 ± 0.01.
Observation PS II electron flux was 1.07 ± 0.03.
Observation Exciton electron transport probability was 0.69 ± 0.01.
Observation Area-based net photosynthesis was c. 3.00 ± 0.15 µmol CO2 m–2 s–1.
Observation Dry-weight based net photosynthesis was 4.00 ± 0.18 µmol CO2 gdw–1 min–1.
Observation Area-based dark respiration was 0.42 ± 0.10 µmol CO2 m–2 s–1.
Observation Dry-weight based dark respiration was 0.61 ± 0.16 µmol CO2 gdw–1 min–1.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Chlorophyll content index was 36.86 ± 5.88.

Taxon: Pellaea rotundifoliaPellaea rotundifoliat0
Outcome: chlorophyll content index (CCI)e0
Value: 36.86 ± 5.88e0

Verbatim

e0
“chlorophyll content index (CCI) based on leaf area was 36.86 ± 5.88”
✓ located verbatim in the source · abstract, characters 490–557

t0
“Pellaea rotundifolia”
✓ located verbatim in the source · title, characters 41–61

Title

A Photophysiological Study of Cultivated Pellaea rotundifolia

O. Roger Anderson American Fern Journal 2025. doi:10.1640/0002-8444-115.3.169

Other claims from this paper (12)

Observation Specific leaf area was 224 ± 32 cm2/g.
Observation Stomatal density was 2,428 ± 126 cm–2.
Observation Stomatal length was 51.90 ± 0.43 µm.
Observation Stomatal width was 34.10 ± 0.53 µm.
Observation Leaf percent water was 71.83 ± 2.37.
Observation Maximum quantum yield was 0.75 ± 0.01.
Observation PS II electron flux was 1.07 ± 0.03.
Observation Exciton electron transport probability was 0.69 ± 0.01.
Observation Area-based net photosynthesis was c. 3.00 ± 0.15 µmol CO2 m–2 s–1.
Observation Dry-weight based net photosynthesis was 4.00 ± 0.18 µmol CO2 gdw–1 min–1.
Observation Area-based dark respiration was 0.42 ± 0.10 µmol CO2 m–2 s–1.
Observation Dry-weight based dark respiration was 0.61 ± 0.16 µmol CO2 gdw–1 min–1.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Maximum quantum yield was 0.75 ± 0.01.

Taxon: Pellaea rotundifoliaPellaea rotundifoliat0
Outcome: maximum quantum yield of primary photochemistry (Fv/Fm)e0
Value: 0.75 ± 0.01e0

Verbatim

e0
“maximum quantum yield of primary photochemistry (Fv/Fm) was 0.75 ± 0.01”
✓ located verbatim in the source · abstract, characters 559–630

t0
“Pellaea rotundifolia”
✓ located verbatim in the source · title, characters 41–61

Title

A Photophysiological Study of Cultivated Pellaea rotundifolia

O. Roger Anderson American Fern Journal 2025. doi:10.1640/0002-8444-115.3.169

Other claims from this paper (12)

Observation Specific leaf area was 224 ± 32 cm2/g.
Observation Stomatal density was 2,428 ± 126 cm–2.
Observation Stomatal length was 51.90 ± 0.43 µm.
Observation Stomatal width was 34.10 ± 0.53 µm.
Observation Leaf percent water was 71.83 ± 2.37.
Observation Chlorophyll content index was 36.86 ± 5.88.
Observation PS II electron flux was 1.07 ± 0.03.
Observation Exciton electron transport probability was 0.69 ± 0.01.
Observation Area-based net photosynthesis was c. 3.00 ± 0.15 µmol CO2 m–2 s–1.
Observation Dry-weight based net photosynthesis was 4.00 ± 0.18 µmol CO2 gdw–1 min–1.
Observation Area-based dark respiration was 0.42 ± 0.10 µmol CO2 m–2 s–1.
Observation Dry-weight based dark respiration was 0.61 ± 0.16 µmol CO2 gdw–1 min–1.

Observationobservedoriginal resultmeasured

Claim · model-written summary

PS II electron flux was 1.07 ± 0.03.

Taxon: Pellaea rotundifoliaPellaea rotundifoliat0
Outcome: electron flux in PS II per reaction center (ET0/RC)e0
Value: 1.07 ± 0.03e0

Verbatim

e0
“electron flux in PS II per reaction center (ET0/RC) was 1.07 ± 0.03”
✓ located verbatim in the source · abstract, characters 632–699

t0
“Pellaea rotundifolia”
✓ located verbatim in the source · title, characters 41–61

Title

A Photophysiological Study of Cultivated Pellaea rotundifolia

O. Roger Anderson American Fern Journal 2025. doi:10.1640/0002-8444-115.3.169

Other claims from this paper (12)

Observation Specific leaf area was 224 ± 32 cm2/g.
Observation Stomatal density was 2,428 ± 126 cm–2.
Observation Stomatal length was 51.90 ± 0.43 µm.
Observation Stomatal width was 34.10 ± 0.53 µm.
Observation Leaf percent water was 71.83 ± 2.37.
Observation Chlorophyll content index was 36.86 ± 5.88.
Observation Maximum quantum yield was 0.75 ± 0.01.
Observation Exciton electron transport probability was 0.69 ± 0.01.
Observation Area-based net photosynthesis was c. 3.00 ± 0.15 µmol CO2 m–2 s–1.
Observation Dry-weight based net photosynthesis was 4.00 ± 0.18 µmol CO2 gdw–1 min–1.
Observation Area-based dark respiration was 0.42 ± 0.10 µmol CO2 m–2 s–1.
Observation Dry-weight based dark respiration was 0.61 ± 0.16 µmol CO2 gdw–1 min–1.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Exciton electron transport probability was 0.69 ± 0.01.

Taxon: Pellaea rotundifoliaPellaea rotundifoliat0
Outcome: probability that an activated exciton produced in PS II, will pass to the intermediate quinone and beyond in the electron-transport chain (o)e0
Value: 0.69 ± 0.01e0

Verbatim

e0
“probability that an activated exciton produced in PS II, will pass to the intermediate quinone and beyond in the electron-transport chain (o) was 0.69 ± 0.01”
✓ located verbatim in the source · abstract, characters 705–862

t0
“Pellaea rotundifolia”
✓ located verbatim in the source · title, characters 41–61

Title

A Photophysiological Study of Cultivated Pellaea rotundifolia

O. Roger Anderson American Fern Journal 2025. doi:10.1640/0002-8444-115.3.169

Other claims from this paper (12)

Observation Specific leaf area was 224 ± 32 cm2/g.
Observation Stomatal density was 2,428 ± 126 cm–2.
Observation Stomatal length was 51.90 ± 0.43 µm.
Observation Stomatal width was 34.10 ± 0.53 µm.
Observation Leaf percent water was 71.83 ± 2.37.
Observation Chlorophyll content index was 36.86 ± 5.88.
Observation Maximum quantum yield was 0.75 ± 0.01.
Observation PS II electron flux was 1.07 ± 0.03.
Observation Area-based net photosynthesis was c. 3.00 ± 0.15 µmol CO2 m–2 s–1.
Observation Dry-weight based net photosynthesis was 4.00 ± 0.18 µmol CO2 gdw–1 min–1.
Observation Area-based dark respiration was 0.42 ± 0.10 µmol CO2 m–2 s–1.
Observation Dry-weight based dark respiration was 0.61 ± 0.16 µmol CO2 gdw–1 min–1.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Area-based net photosynthesis was c. 3.00 ± 0.15 µmol CO2 m–2 s–1.

Taxon: Pellaea rotundifoliaPellaea rotundifoliat0
Outcome: maximum net photosynthesis rate expressed per unit areae0
Value: 3.00 ± 0.15 µmol CO2 m–2 s–1e0

Verbatim

e0
“maximum net photosynthesis rate expressed per unit area was c. 3.00 ± 0.15 µmol CO2 m–2 s–1”
✓ located verbatim in the source · abstract, characters 869–960

t0
“Pellaea rotundifolia”
✓ located verbatim in the source · title, characters 41–61

Title

A Photophysiological Study of Cultivated Pellaea rotundifolia

O. Roger Anderson American Fern Journal 2025. doi:10.1640/0002-8444-115.3.169

Other claims from this paper (12)

Observation Specific leaf area was 224 ± 32 cm2/g.
Observation Stomatal density was 2,428 ± 126 cm–2.
Observation Stomatal length was 51.90 ± 0.43 µm.
Observation Stomatal width was 34.10 ± 0.53 µm.
Observation Leaf percent water was 71.83 ± 2.37.
Observation Chlorophyll content index was 36.86 ± 5.88.
Observation Maximum quantum yield was 0.75 ± 0.01.
Observation PS II electron flux was 1.07 ± 0.03.
Observation Exciton electron transport probability was 0.69 ± 0.01.
Observation Dry-weight based net photosynthesis was 4.00 ± 0.18 µmol CO2 gdw–1 min–1.
Observation Area-based dark respiration was 0.42 ± 0.10 µmol CO2 m–2 s–1.
Observation Dry-weight based dark respiration was 0.61 ± 0.16 µmol CO2 gdw–1 min–1.