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Davallia canariensis

(Rabbit's Foot Fern)

Conservation Status

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Population Analysis

  • For the 1,470 species in the Class Dicotyledoneae, we average 1.75 observations each in our database; for the Rabbit's Foot Fern, we have 99 observations. Compared to other species in this Class, this species is moderately common.
  • A two-sample t-test can be used to determine whether the trend in observations of the Rabbit's Foot Fern is the same as the trend in observations of Dicotyledoneae. Is this species just as common, as a proportion of all observations, as it once was? The answer is no, changes in observation rate of this species significantly differ from changes in observation rate of its Class. (t=6.549, p<0.001)
  • How do observation rates of the Rabbit's Foot Fern differ from those of Dicotyledoneae? To answer this, we examined the percentage of observerations for Dicotyledoneae that were observations of the Rabbit's Foot Fern each year. We then correlated this percentage with observation year. If observations of the Rabbit's Foot Fern are becoming more common relative to other species of Dicotyledoneae, the correlation should be positive, but if it is becoming less common, the correlation should be negative. In fact, the correlation is negative (r=-.62), with a negative slope (m = -1.18), suggesting that the Rabbit's Foot Fern may be in decline relative to other species of Dicotyledoneae. This correlation is statistically significant. (F = 21.71, p<.05)
  • The scatter chart to the right shows the percentage of all observations for Dicotyledoneae each year that were observations of the Rabbit's Foot Fern.

Taxonomy

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  • Domain: Eukaryota Whittaker & Margulis,1978 - eukaryotes
    • Kingdom: Plantae Haeckel, 1866 - Plants
      • Subkingdom: Viridaeplantae Cavalier-Smith, 1981 - Green Plants
        • Phylum: Magnoliophyta Cronquist, Takhtajan & W. Zimmermann, 1966 - Flowering Plants
          • Subphylum: Pteridophytina (Eichler, 1883) Cavalier-Smith, 1998 - Pteridophytes
            • Infraphylum: Filices (Linnaeus, 1753) Cavalier-Smith, 1998 - Ferns
              • Class: Filicopsida - Ferns
                • Order: Filicales Dumortier, 1829
                  • Family: Davalliaceae (dav-VAL-ee-uh)
                    • Genus: Davallia (dav-VAL-ee-uh)
                      • Specific epithet: canariensis (L.) Sm.
                        • Botanical name: Davallia canariensis (L.) Sm.

Notes:

Publishing author: Sm. Publication: Mem. Ac. Turin 5. 414 t. 9 f. 6. 1793. HB. 97. Chr. 301. NPfl. 214 1793

Basionym author: (L.)

An accepted name in the RHS Horticultural Database.

Physical Description

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Habit: Furry rhizomes grow out over the edge of the container.

Images:

Distribution

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Landscaping

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Care: Cat safe. Dog safe. Easy.

Growth

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Sunlight: Sun Exposure: Bright indirect or filtered light.

Moisture: Water Requirements: Keep soil moist, but not soggy, at all times. Loves to be misted.

Temperature: Cold Hardiness: 11. (map)

Similar Species

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Members of the genus Davallia:

There are approximately 402 species, subspecies, varieties, forms, and cultivars in this genus. Here are just 100 of them: D. trichomanoides bullata · D. achilleifolia · D. aculeata · D. adiantifolia · D. adiantoides · D. aemula · D. affine · D. affinis · D. alata · D. alexandri · D. alpina · D. amabilis · D. amboynensis · D. ancestralis · D. andersonii · D. anderssonii · D. angustata · D. angustifolia · D. arborescens · D. arctotheca · D. asperrima · D. aspidioides · D. asplenioides · D. assamica · D. athamantica · D. athyriifolia · D. attenuata · D. austro-sinica · D. barbata · D. beccariana · D. beddomei · D. belangeri · D. berteriana · D. berteroana · D. bidentata · D. bifida · D. biflda · D. biflora · D. bilabiata · D. bipinnata · D. bipinnatifida · D. biserrata · D. blumeana · D. blumei · D. borneensis · D. bornmulleri · D. boryana · D. botrychioides · D. brachycarpa · D. brachypoda · D. brasiliensis · D. brassii · D. brevipes · D. brevisora · D. bullata · D. calobodon · D. calvescens · D. campyloptera · D. campylura · D. canariense · D. canariensis (Rabbit's Foot Fern) · D. canmariensis · D. caudata · D. celebica · D. chaaerophylla · D. chaerophylla · D. chaerophylloides · D. chinensis · D. chrysanthemifolia · D. chusana · D. cicutarioides · D. ciliata · D. clarkei · D. clarkei var. faberiana · D. clavata · D. concinna · D. coniifolia · D. contigua · D. corcovadensis · D. cordifolia · D. corniculata · D. cristatella · D. cryptocarpa · D. cumingii · D. cuneata · D. cuneifolia · D. cuneiforme · D. cuneiformis · D. cylindrica · D. dareaeformis · D. dareiformis · D. decipiens · D. decomposita · D. decora · D. decurrens · D. dejoncheerei · D. delavayi · D. delicatula · D. denhami · D. denticulata

Bibliography

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  • Judd, W.S., Campbell, C.S., Kellog, E.A. and Donoghue, M.J. (2002): Plant Systematics: a phylogenetic approach, Sinauer, Sunderland, Mass.

More Info

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Notes

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Contributors:

  • Global Biodiversity Information Facility. Accessed November 11, 2007. http://www.gbif.org Mediated distribution data from 15 providers.

Identifiers:

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Last Revised: May 15, 2008