''Mickelia'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

fern The ferns (Polypodiopsida or Polypodiophyta) are a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. They differ from mosses by being vascular, i.e., having specialized tissue ...

s in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Dryopteridaceae The Dryopteridaceae are a Family (biology), family of leptosporangiate ferns in the Order (biology), order Polypodiales. They are known Common name, colloquially as the wood ferns. In the Pteridophyte Phylogeny Group classification of 2016 (PPG&n ...

, subfamily

Elaphoglossoideae Elaphoglossoideae is a subfamily of the fern family Dryopteridaceae The Dryopteridaceae are a Family (biology), family of leptosporangiate ferns in the Order (biology), order Polypodiales. They are known Common name, colloquially as the wood ...

, in the

Pteridophyte Phylogeny Group The Pteridophyte Phylogeny Group (PPG) is an informal international group of systematic botanists who collaborate to establish on the classification of pteridophytes ( lycophytes and ferns) that reflects knowledge about plant relationships discove ...

classification of 2016 (PPG I). It is one of the six genera of bolbitidoid ferns and is

sister A sister is a woman or a girl who shares parents or a parent with another individual; a female sibling. The male counterpart is a brother. Although the term typically refers to a familial relationship, it is sometimes used endearingly to ref ...

to the very large genus '' Elaphoglossum''.Robbin C. Moran, Paulo H. Labiak, and Michael Sundue. 2010. "Phylogeny and character evolution of the bolbitidoid ferns (Dryopteridaceae)". ''International Journal of Plant Sciences'' 171(5):547-559. It consists of about 10

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

.Robbin C. Moran, Paulo H. Labiak, and Michael Sundue. 2010. "Synopsis of ''Mickelia'', a newly recognized genus of bolbitidoid ferns (Dryopteridaceae)". ''Brittonia'' 62(4):337-356. All are

native Native may refer to: People * '' Jus sanguinis'', nationality by blood * '' Jus soli'', nationality by location of birth * Indigenous peoples, peoples with a set of specific rights based on their historical ties to a particular territory ** Nat ...

to the

neotropics The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone. Definition In biogeog ...

Description

Hemiepiphytic or

terrestrial Terrestrial refers to things related to land or the planet Earth, as opposed to extraterrestrial. Terrestrial may also refer to: * Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on o ...

ferns.

Rhizome In botany and dendrology, a rhizome ( ) is a modified subterranean plant stem that sends out roots and Shoot (botany), shoots from its Node (botany), nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from ...

dorsiventral A dorsiventral (Lat. ''dorsum'', "the back", ''venter'', "the belly") organ is one that has two surfaces differing from each other in appearance and structure, as an ordinary leaf. This term has also been used as a synonym for dorsoventral organs, ...

, the ventral meristele elongate in

cross section Cross section may refer to: * Cross section (geometry) ** Cross-sectional views in architecture and engineering 3D *Cross section (geology) * Cross section (electronics) * Radar cross section, measure of detectability * Cross section (physics) **A ...

. Phyllopodia absent.

Leaves A leaf (: leaves) is a principal appendage of the stem of a vascular plant, usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, ...

articulate Articulate may refer to: * ''Articulate!'', a board game in which players describe words from different categories * Articulate brachiopods, brachiopods with toothed hinges and simple opening and closing muscles * Articulate sound, to move the ton ...

at base or continuous with the rhizome, dimorphic as

sporophyll In botany, a sporophyll is a leaf that bears sporangia. Both microphylls and megaphylls can be sporophylls. In heterosporous plants, sporophylls (whether they are microphylls or megaphylls) bear either megasporangia and thus are called megasp ...

s and trophophylls, the sporophylls having longer petioles and smaller

pinnae Pinna may refer to: Biology * Pinna (anatomy), or auricle, the outer part of the ear * ''Pinna'' (bivalve), a genus of molluscs * Pinna (botany), a primary segment of a compound leaf People Surname * Christophe Pinna (born 1968), French marti ...

. Fronds never differentiated into bathyphylls and acrophylls as in the bolbitidoid genera '' Lomagramma'', '' Arthrobotrya'', and '' Teratophyllum''. Fronds singly

pinnate Pinnation (also called pennation) is the arrangement of feather-like or multi-divided features arising from both sides of a common axis. Pinnation occurs in biological morphology, in crystals, such as some forms of ice or metal crystals, and ...

bipinnate The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets ...

with a single, free, basal segment on each of the basal pinnae. Pinnae articulate or continuous with the

rachis In biology, a rachis (from the [], "backbone, spine") is a main axis or "shaft". In zoology and microbiology In vertebrates, ''rachis'' can refer to the series of articulated vertebrae, which encase the spinal cord. In this case the ''rachi ...

; terminal pinna conform (similar in size and shape to the lateral pinnae).

Veins Veins () are blood vessels in the circulatory system of humans and most other animals that carry blood towards the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are those of the pulmonary and fetal c ...

variously

anastomosing An anastomosis (, : anastomoses) is a connection or opening between two things (especially cavities or passages) that are normally diverging or branching, such as between blood vessels, leaf veins, or streams. Such a connection may be normal (suc ...

(not free); veinlets usually included in the

areole In botany, areoles are small light- to dark-colored bumps on cactus, cacti out of which grow clusters of Thorns, spines, and prickles, spines. Areoles are important diagnostic features of cactus, cacti, and identify them as a family distinct fr ...

s. Sori acrostichoid (covering the entire

abaxial {{Short pages monitor