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Carlotta Hall's Lace Fern
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Aspidotis carlotta-halliae
  

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About Carlotta Hall's Lace Fern (Aspidotis carlotta-halliae) Aspidotis carlotta-halliae is a species of perennial fern known by the common names tufted lacefern and Carlotta Hall's lace fern. It is endemic to California, where it is found in the Central Coast Ranges and coastal hillsides, often on serpentine soils. This species is a fertile hybrid between Aspidotis californica and Aspidotis densa. The fern was named for fern collector Carlotta Case Hall, who coauthored the 1912 botanical guide A Yosemite Flora with her husband, botanist Harvey Monroe Hall. In appearance it is intermediate between the two other ferns. It has leathery triangular leaves divided into many pairs of leaflets, which are each subdivided into many coarse, irregularly toothed segments. The stipe is very thin and dark. The undersides of the segments are lined with sori containing sporangia. It is found between 90 metres (300 ft) to 1,330 metres (4,360 ft) in elevation. It is often found growing under rocks. In appearance it is intermediate between the two other ferns. It has leathery triangular leaves divided into many pairs of leaflets, which are each subdivided into many coarse, irregularly toothed segments. The stipe is very thin and dark. The undersides of the segments are lined with sori containing sporangia. It is found between 90 metres (300 ft) to 1,330 metres (4,360 ft) in elevation. It is often found growing under rocks.
Plant Description
Plant Type
Fern

Native Status
Natural Setting
Sun
Sun, Part Shade

Elevation ?
79' - 4343'

Annual Precip. ?
17.5" - 66.3"

Summer Precip. ?
0.26" - 1.21"

Coldest Month ?
43.6° F - 50.1° F

Hottest Month ?
63.7° F - 74.9° F

Humidity ?
0.92 vpd - 22.42 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available


Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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