fern ally

Other forms: fern allies

Definitions of fern ally

1. noun

   pteridophytes of other classes than Filicopsida
   types:

   whisk fern

   chiefly tropical clump-forming plants of skeletal appearance resembling whisk brooms; lacking roots

   horsetail

   perennial rushlike flowerless herbs with jointed hollow stems and narrow toothlike leaves that spread by creeping rhizomes; tend to become weedy; common in northern hemisphere; some in Africa and South America

   club moss, club-moss, lycopod

   primitive evergreen moss-like plant with spores in club-shaped strobiles

   quillwort

   any of several spore-bearing aquatic or marsh plants having short rhizomes and leaves resembling quills; worldwide except Polynesia

   Psilotum nudum, skeleton fork fern

   pantropical epiphytic or terrestrial whisk fern with usually dull yellow branches and minute leaves; America; Japan; Australia

   Equisetum arvense, common horsetail, field horsetail

   of Eurasia and Greenland and North America

   Equisetum fluviatile, swamp horsetail, water horsetail

   Eurasia; northern North America to Virginia

   Equisetum hyemale, Equisetum hyemale robustum, Equisetum robustum, rough horsetail, scouring rush

   evergreen erect horsetail with rough-edged stems; formerly used for scouring utensils

   Equisetum palustre, marsh horsetail

   scouring-rush horsetail widely distributed in wet or boggy areas of northern hemisphere

   Equisetum Sylvaticum, wood horsetail

   Eurasia except southern Russia; northern North America

   Equisetum variegatum, variegated horsetail, variegated scouring rush

   northern North America; Greenland; northern and central Europe

   Lycopodium lucidulum, shining clubmoss

   a variety of club moss

   Lycopodium alpinum, alpine clubmoss

   a variety of club moss

   Lycopodium selago, fir clubmoss, little clubmoss, mountain clubmoss

   of northern Europe and America; resembling a miniature fir

   Christmas green, ground pine

   any of several club mosses having long creeping stems and erect branches

   little club moss, spike moss, spikemoss

   any of numerous fern allies of the genus Selaginella

   type of:

   nonflowering plant, pteridophyte

   plants having vascular tissue and reproducing by spores