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Aspidotis californica; California Lace Fern   

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Aspidotis californica
Aspidotis californica
California Lace Fern
Photographer: Aaron Schusteff

ID: 0000 0000 0220 0455 (2020-02-09)

Copyright © 2020 Aaron Schusteff

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  • date of photo  Feb 8, 2020
  • location   Fall Creek Unit, Henry Cowell Redwoods State Park (Santa Cruz County, California, US)
  • family Pteridaceae
  • notes   Underside of a pinna (i.e. unit at 'first degree' of pinnate division) of an Aspidotis californica blade.

    The pinnules (i.e. units at 'second degree' of pinnate division) are themselves dissected into 5-7 segments cut nearly to the midrib of the pinnule...and those segments are apically 3-5 toothed and support 1-3 discrete clumps of whitish sori (= agglomerations of sporangia, here irregularly kidney-shaped) and 1-7 smaller brownish, roughly-oblong indusia.

    At this early point in the season, the (fairly tiny) indusia are light-brown/tan/beige...but I think they often become black when seen later in the year.

  • photo category: Plant - annual/perennial

  • common names   California Lace Fern (photographer)
  • Look for Jepson Manual treatments, maps (University & Jepson Herbaria)
  • View Calflora record for Aspidotis californica
  • View all photos in CalPhotos of Aspidotis californica
  • Check Google Images for Aspidotis californica

  • The photographer's identification Aspidotis californica has not been reviewed. Click here to review or comment on the identification.

    Using this photo   The thumbnail photo (128x192 pixels) on this page may be freely used for personal or academic purposes without prior permission under the Fair Use provisions of US copyright law as long as the photo is clearly credited with © 2020 Aaron Schusteff. For other uses, or if you have questions, contact Aaron Schusteff arbonius2[AT] (Replace the [AT] with the @ symbol before sending an email.)


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