protonema Definition

proembryo, carpospore, tetraspore, zygosperm, sphaerospore, conceptacle, spike moss, phanerogamic, spermatophyte, zygospore, sporogenesis, spermogonium, gonidium, phanerogam, thallophyte, club moss, acrospore, cystocarp, pseudospore, cryptophyte, arthrospore, trichogyne, phyte, exospore, oophoridium, anophyte, microzoospore, macrozoospore, spermatium, plantule, reproductive structure, whisk fern, rhizine, homosporous, stichidium, macrosporangium, carpophore, swarmspore, arthrosporic, oogonium, sporogonium, prothallium, microphyte, seirospore, spermo, sporocyte, coenocyte, endorhizal, plant part, plant organ, microsporogenesis, trichophore, spore, angiosporous, soredium, spermospore, megagametophyte, thallogen, aecidium, athalamous, pteridosperm, campylotropous, podetium, heterospory, orthogamy, microgametophyte, nemathecium, perisperm, sporogony, perispore, protophyte, cyanophyte, conidiospore, pollen tube, gonimous, microsporangium, fern ally, ostiole, macrospore, root hair, elater, euglenophyte, muscoid, megasporangium, phanerophyte, phaeospore, epispore, oosphere, androspore, green algae, sporiferous, gametophore, zoosporangium, embryo sac, cormophyte, sporopollenin, vascular plant, phycomater, spikemoss, sciophyte,