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Atlas of Pollen and Spores of The Florida Everglades

Spore and Pollen Descriptions

PTERIDOPHYTA

Blechnaceae

Blechnum serrulatum L.C. Rich.
Plate 1: 1–5

Oval spore; long axis: 36.5 (31.5–42.5) µm; short axis: 26.8 (21.2–31.4) µm; monolete; laesura length: 17.3 (14.6– 20.5) µm; maximum laesura width: 0.5 (0.4–0.7) µm; psilate with randomly scattered verrucae of various sizes (maximum diameter 1.5 µm); occasional exine thickening around laesura: 2.3 (2.2–2.5) µm (see Plate 1: 4); exine thickness: 1.4 (1.2–1.8) µm.

Osmundaceae
Osmunda regalis L.
Plate 2: 12–14

Spherical spore; maximum dimension: 89.0 (74.0–108.0) µm; trilete; laesura ray length: 26.1 (20.5–30.9) µm; maximum laesura ray width: 2.3 (1.6–3.2) µm; rugulate; exine thickness: 3.0 (2.5–3.5) µm.

Polypodiaceae
Phlebodium aureum (L.) J. Sm.
Plate 1: 6–8

Oval spore; long axis: 49.4 (44.0–59.1) µm; short axis: 31.2 (26.7–40.0) µm; monolete; laesura length: 19.4 (17.9– 21.5) µm; maximum laesura width: 0.6 (0.5–0.8) µm; verrucate; verrucae height: 3.9 (2.4–4.8) µm; verrucae width: 5.8 (3.4–9.8) µm; exine thickness: 1.6 (1.1–1.9) µm.

Pteridaceae
Acrostichum danaeifolium Langsd. & Fisch.
Plate 2: 15–16

Rounded triangular spore; maximum dimension: 65.8 (53.0–77.0) µm; trilete; laesura ray length: 22.5 (18.8– 24.8) µm; maximum laesura ray width: 3.4 (2.2–4.9) µm; psilate; exine thickness: 3.9 (3.1–4.9) µm.

Pteris longifolia L.
Plate 2: 17–19

Rounded triangular spore; maximum dimension: 81.6 (75.3–88.0) µm; trilete; laesura ray length: 29.2 (27.1– 33.7) µm; maximum laesura ray width: 3.9 (2.7–5.0) µm; rugulate; ridge height: 7.6 (6.3–9.0) µm; ridge width: 5.2 (4.1–6.4) µm; exine thickness: 2.0 (1.9–2.3) µm.

Pteris vittata L.
Plate 2: 20–22

Rounded triangular spore; maximum dimension: 76.6 (66.4–85.5) µm; trilete; laesura ray length: 28.6 (25.7–31.6) µm; maximum laesura ray width: 3.7 (2.9–5.0) µm; rugulate; ridge height: 8.6 (6.9–11.1) µm; ridge width: 5.2 (3.9–6.6) µm; exine thickness: 2.1 (1.6–2.7) µm.

Salviniaceae
Salvinia minima Baker
Plate 2: 23–24

Rounded triangular microspore; maximum dimension: 68.0 (59.5–89) µm; trilete; laesura ray length: 27.4 (22.4– 27.4) µm; maximum laesura ray width: 0.8 (0.5–1.1) µm; psilate; exine thickness: 3.8 (3.0–4.5) µm.

Thelypteridaceae
Thelypteris kunthii (Desv.) Morton
Plate 1: 9–11

Oval spore; long axis: 56.4 (50.8–64.2) µm; short axis: 40.4 (36.1–47.2); monolete; laesura length: 31.8 (19.8–39.5) µm; psilate or may bear rugulate perispore (see Plate 1: 9–10); exine thickness 2.1 (1.7–3.0) µm.

Home
Introduction
Materials & Methods
>Spore & Pollen Descriptions
> Pteridophyta
- Gymnospermae
- Angiospermae: Monocotyledoneae
- Angiospermae: Dicotyledoneae
Plates
Acknowledgments
References Cited
Appendix 1
Figure & Table List
PDF Version

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