The Shimane Prefecture Red Data Book lists about 360 different vascular plant species, including ferns and mosses. Here's what I've seen so far:
The thumbnail images below are arranged alphabetically throughout the pages.

Explanatory notes:  CR+EN：Critically Endangered + Endangered　VU：Vulnerable　NT：Near Threatened　DD: Data Deficient

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Aconitum sanyoense / San'youbushi VU	Adonis multiflora / Michinokufukujusou CR+EN	Ajuga ciliata var.villosior / Kaijindou CR+EN	Ajuga japonicum / Ougikazura VU
Amitostigma gracilis / Hinaran VU	Amsonia elliptica / Choujisou CR+EN	Ancistrocarya japonica / Sawarurisou VU	Anemone flaccida / Nirinsou VU
Anemone keiskeana / Yukiwariichige NT	Anemone reddeana / Azumaichige VU	Angelica dahurica / Yoroigusa CR+EN	Anodendron affine / Sakakikazura VU
Asarum caurescens / Futabaaoi VU	Asarum_caulescens_f. / Shirobanafutabaaoi VU	Asplenium ruprechtii / Kumonosushida CR+EN	Aster spathulifolius / Darumagiku NT
Azolla japonica / Ooakaukikusa NT	Blyxa ceratosperma / Subuta NT	Brasilia schreberi / Junsai NT	Buglossoides zollingeri / Hotarukazura NT
Bulbophyllum drymoglossum / Mamedutaran CR+EN	Bulbophyllum inconspicuum / Mugiran CR+EN	Burmannia championii / Hinanoshakujou CR+EN	Calanthe discolor / Ebine VU
Calanthe nipponica / Kinseiran CR+EN	Calanthe reflexa / Natsuebine VU	Calanthe sieboldii / Kiebine CR+EN	Calanthe tricarinata / Sarumen'ebine CR+EN
Caltha palustris var. nipponica / Ryuukinka VU	Canavalia lineata / Hamanatamame CR+EN	Caryopteris divaricata / Kariganesou VU	Cephalanthera erecta / Ginran VU
Cephalanthera longibracteata / Yuushunran CR+EN	Cephalanthera falcata / Kinran VU	Chrysanthemum indicum var. maruyamanum / Ottachikangiku NT	Chrysosplenium flagelliferum / Tsurunekonomesou CR+EN
Cirsium maruyamanum / Murakumoazami DD	Cirsium congestissimum / Hittsukiazami VU	Cirsium tenuisquamatum / Sanbesawaazami VU	Cladium chinense / Hitomotosusuki NT

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