Jepson eFlora: Taxon page
Vascular Plants of California
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Myriopteris viscida
VISCID LACE FERN


Higher Taxonomy
Family: PteridaceaeView DescriptionDichotomous Key
Common Name: BRAKE FAMILY
Habit: Perennial herb, in soil or on or among rocks; rhizome creeping to erect, scaly. Leaf: generally all +- alike (or of 2 kinds, fertile, sterile), generally < 50 cm, often < 25 cm; stipe generally thin, wiry, often dark, ×-section with vascular strands generally 1--3, less often many in circle; blade generally pinnate or +- palmate-pinnate (see Adiantum), often >= 2-compound, abaxially often with glands, +- powdery exudate, hairs, or scales; segments round, oblong, fan-shaped, or other, veins generally free. Sporangia: in sori or not, marginal, submarginal, or along veins, covered by recurved, often modified segment margins (false indusia) or not; true indusia 0; spores spheric, sides flat or not, scar with 3 radiating branches.
Genera In Family: +- 40 genera, 500 species: worldwide, especially dry areas. Note: CA members of Cheilanthes moved to the distantly related Myriopteris; Pellaea breweri to be moved as well, from a to-be-redefined Pellaea; traditional, often untenable limits of genera outside CA also being clarified using molecular phylogenetics.
eFlora Treatment Author: Ruth E.B. Kirkpatrick, Alan R. Smith & Thomas Lemieux, except as noted
Scientific Editor: Alan R. Smith, Thomas J. Rosatti.
Genus: MyriopterisView DescriptionDichotomous Key


Habit: Plant in soil or rock crevices; rhizome short- to long-creeping[-decumbent], generally many-branched, scales generally lance-linear, pale to dark, mid-stripe dark or not. Leaf: < 75 cm, young leaf tip hooked or coiled; stipe cylindric, red-brown to +- black; blade generally 2--3-pinnate, generally oblong to narrowly triangular; segments generally small, +- flat or abaxially concave (from recurved margins). Sporangia: along margin, in discrete patches to continuous, partly to completely covered by recurved margin (generally not recurved in Myriopteris cooperae).
Species In Genus: +- 47 species: New World, especially w North America, primarily Mexico, 1 sp. in southern Africa, generally dry areas, especially sheltered in or near rocks. Etymology: (Greek: myriad fern, from much divided leaf blades) Note: Includes all CA members of Cheilanthes as treated in TJM2 (2012).
eFlora Treatment Author: Ruth E.B. Kirkpatrick, Alan R. Smith, Thomas Lemieux & Edward Alverson
Reference: Grusz & Windham 2013 PhytoKeys 32: 49--64, doi: 10.3897/phytokeys.32.6733
Myriopteris viscida (Davenp.) Grusz & Windham
NATIVE
Habit: Rhizome short-creeping; scales red-brown, dark mid-stripe 0. Leaf: 10--15(25) cm, 2(3) cm wide, pale to dull green; stipe < 1 mm wide, scales sparse, at base, gland stalks 0--0.3 mm; segments small, +- oblong, +- flat, both surfaces covered with +- clear, sticky exudate from glands; young leaf tip coiled. Sporangia: visible at recurved segment margins; spores +- brown.
Ecology: Limestone, granite crevices, rocks; Elevation: 100--1600 m. Bioregional Distribution: e edge SnBr, e PR (incl SnJt), DMoj, w edge DSon; Distribution Outside California: Baja California.
Synonyms: Cheilanthes viscida Davenp.
Jepson eFlora Author: Ruth E.B. Kirkpatrick, Alan R. Smith, Thomas Lemieux & Edward Alverson
Reference: Grusz & Windham 2013 PhytoKeys 32: 49--64, doi: 10.3897/phytokeys.32.6733
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Citation for this treatment: Ruth E.B. Kirkpatrick, Alan R. Smith, Thomas Lemieux & Edward Alverson 2014, Myriopteris viscida, in Jepson Flora Project (eds.) Jepson eFlora, Revision 2, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=99426, accessed on June 19, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on June 19, 2019.

No expert verified images found for Myriopteris viscida.



Geographic subdivisions for Myriopteris viscida:
e edge SnBr, e PR (incl SnJt), DMoj, w edge DSon
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).





 

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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.