A plant with divided fronds, which are rounded and convex. They are generally between 2 and 3 feet in length and are clustered together.

Platycerium Alcicorne

A plant with divided fronds, which are rounded and convex. They are generally between 2 and 3 feet in…

A large plant with whitish-green fronds reaching up to a foot in height.

Polypodium Angustatum

A large plant with whitish-green fronds reaching up to a foot in height.

A four-eared fern with fronds ranging between 6 inches and 3 feet in length. They are commonly found in the Tropics.

Pteris Quadriaurita Argyaea

A four-eared fern with fronds ranging between 6 inches and 3 feet in length. They are commonly found…

A stout plant with grey scales. The fronds range between 1 and 2 feet, and approximately 1 foot in width. They are commonly found in Brazil.

Polypodium Brasiliense

A stout plant with grey scales. The fronds range between 1 and 2 feet, and approximately 1 foot in width.…

"Piece of the frond of Fucus platycarpus furnished with receptacles." -Lindley, 1853

Brown Alga

"Piece of the frond of Fucus platycarpus furnished with receptacles." -Lindley, 1853

"Fucus platycarpus...Section of a conceptacle much magnified." -Lindley, 1853

Brown Alga

"Fucus platycarpus...Section of a conceptacle much magnified." -Lindley, 1853

"Fucus platycarpus...3. jointed branching hairs detached from the sides of the conceptacle and bearing antherids; 4. an antherid full; 5. an antherid with only one antherozoid left in it; 6. Antherozoids." -Lindley, 1853

Brown Alga

"Fucus platycarpus...3. jointed branching hairs detached from the sides of the conceptacle and bearing…

A fern with fronds between 12 inches and 20 inches in length, with the width ranging between 4 inches and 8 inches.

Polypodium Vulgare Cambricum

A fern with fronds between 12 inches and 20 inches in length, with the width ranging between 4 inches…

A fern with fronds ranging between 1.5 feet and 3 feet in length.

Polypodium Drepanum

A fern with fronds ranging between 1.5 feet and 3 feet in length.

"Part of Epiphyllospermous Frond. In botany, bearing the fruit or spores on the back of the leaves or fronds, as ferns." -Whitney, 1911

Epiphyllospermous Frond

"Part of Epiphyllospermous Frond. In botany, bearing the fruit or spores on the back of the leaves or…

"Frond of fern bearing sporangia in sori."—Finley, 1917

Fern frond

"Frond of fern bearing sporangia in sori."—Finley, 1917

A younger version of Polypodium tenellum. It is woody and wide-creeping when young.

Polypodium Filipes

A younger version of Polypodium tenellum. It is woody and wide-creeping when young.

The Areca Palm Frond comes from an Asian tree.

Areca Palm Frond

The Areca Palm Frond comes from an Asian tree.

"Fucus vesiculosus: showing the receptacles of the fructification a, a, at the ends of the branching frond; b, b, b, large air-cells which help to float the plant." — Chambers' Encyclopedia, 1875

Fucus Vesiculosus

"Fucus vesiculosus: showing the receptacles of the fructification a, a, at the ends of the branching…

The barren fronds of this plant are very large and convex, whereas the fertile fronds range between 4 and 6 feet and grow in pairs.

Platycerium Grande

The barren fronds of this plant are very large and convex, whereas the fertile fronds range between…

A large-fronded fern with straw-colored leaves. It is commonly found in tropical America.

Pteris Grandifolia

A large-fronded fern with straw-colored leaves. It is commonly found in tropical America.

This fern has broader, oblong fronds in comparison to the Polypodium lingua, whose fronds are between 4 and 8 inches in lngeth, and 1 to 4 inches in width.

Polypodium Lingua Heteractis

This fern has broader, oblong fronds in comparison to the Polypodium lingua, whose fronds are between…

A slender-fronded fern with straw-colored leaves. The fronds can reach between 9 inches and 12 inches in length. It is commonly found in Brazil.

Pteris Leptophylla

A slender-fronded fern with straw-colored leaves. The fronds can reach between 9 inches and 12 inches…

The fronds of the nephrolepis davallioides fern are drooping and two to three feet long. This fern is said to be the handsomest of the genus.

Habit and Portion of Detached Frond of Nephrolepis Davallioides

The fronds of the nephrolepis davallioides fern are drooping and two to three feet long. This fern is…

Pictured are the habit and a portion of the detached frond of nephrolepis duffii. The fronds are tufted and about two feet long. The tip is two or three times forked.

Nephrolepis Duffii

Pictured are the habit and a portion of the detached frond of nephrolepis duffii. The fronds are tufted…

An illustration of section through a pinnule of the frond and sorus of Aspidium: b, mesophyll; sch, indusium; sp, sporangium; st, its stalk; r, annulus.

Section of a Nephrolepis

An illustration of section through a pinnule of the frond and sorus of Aspidium: b, mesophyll; sch,…

Nothochlaena fronds are one to two feet long and one to two inches broad.

Frond of Nothochlaena Sinuata

Nothochlaena fronds are one to two feet long and one to two inches broad.

The fronds of nothochlaena trichomanoides are six to twelve inches long and about to one and a half inches broad. The lower surface is clothed with white powder and fine, woolly hairs.

Frond of Nothochlaena Trichomanoides

The fronds of nothochlaena trichomanoides are six to twelve inches long and about to one and a half…

A fern with short, ovate fronds.

Polypodium Lycopodioides Owariense

A fern with short, ovate fronds.

A stout fern with brown scales. Fronds range between 1 foot and 3 feet in length, and 1 inch in width.

Polypodium Phyllitidis

A stout fern with brown scales. Fronds range between 1 foot and 3 feet in length, and 1 inch in width.

A wide-creeping fern with squarrose scales. Fertile fronds are narrow and long, whereas the barren ones are oblong, between 1 inch and 3 inches long.

Polypodium Piloselloides

A wide-creeping fern with squarrose scales. Fertile fronds are narrow and long, whereas the barren ones…

"Grinnellia Americana. a, structure of the leaf; b, vertical section of a conceptacle, showing the chains of spores." -Whitney, 1911

Marine Red Algae

"Grinnellia Americana. a, structure of the leaf; b, vertical section of a conceptacle, showing the chains…

"Cycas circinalis; 1. a portion of a female frond; 2. section of the naked ovule; 3. ripe fruit; 4. embryo." -Lindley, 1853

Queen Sago

"Cycas circinalis; 1. a portion of a female frond; 2. section of the naked ovule; 3. ripe fruit; 4.…

A wide-creeping fern with long reddish-brown fronds, which grow to be approximately 1 foot in length. They are usually found in New Zealand.

Pteris Scaberula

A wide-creeping fern with long reddish-brown fronds, which grow to be approximately 1 foot in length.…

A bright brown fern with fronds reaching between 1 foot and 1.5 feet. They are commonly found in the East Indies.

Pteris Semipinnata

A bright brown fern with fronds reaching between 1 foot and 1.5 feet. They are commonly found in the…

A slender-fronded fern with pinnae that are narrower than those of a regular Pteris serrulata, and has saw-edged leaves. They are commonly found in China.

Pteris Serrulata Tenuifolia

A slender-fronded fern with pinnae that are narrower than those of a regular Pteris serrulata, and has…

A trembling fern with fronds ranging between 2 feet and 4 feet in length, and 6 inches and 2 feet in width. They are commonly found in greenhouses in New Zealand and Australia.

Pteris Tremula

A trembling fern with fronds ranging between 2 feet and 4 feet in length, and 6 inches and 2 feet in…

The upper portion of a fertile frond of a Platycerium Æthiopicum.

Platycerium Æthiopicum

The upper portion of a fertile frond of a Platycerium Æthiopicum.