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Fig. 9 in Distribution, systematics and nomenclature of the three taxa of Common Stonechats (Aves, Passeriformes, Muscicapidae, Saxicola) that breed in the Caucasian region

Fig. 9. Main types of variations of tail colouration of males in Saxicola maura variegatus. A, 5 to 10 mm; B, 11 to 20 mm; C, 21 mm and more.

Fig. 8 in Distribution, systematics and nomenclature of the three taxa of Common Stonechats (Aves, Passeriformes, Muscicapidae, Saxicola) that breed in the Caucasian region

Fig. 8. Adult males in breeding plumage, ventral (A–C) and dorsal (D–E) view. A, D, Saxicola maurus armenicus, coll. No. 28292/109, Azerbaijan, Nakhichevan Autonomous Republic, Dzul'fa Distr., NW slopes of Ilan-Dag Mt., 39°08.78′ N, 45°40.47′ E, 1,160 m a.s.l., 12 June 1974, Yu.A. Volnenko leg. (NMNH); B, E, Saxicola maurus variegatus, coll. No. 28005/106, Azerbaijan, Ismailli Distr., vicinity of Ismailly, 40°46.99′ N, 48°06.73′ E, 540 m a.s.l., 2 July 1973, V.M. Loskot leg. (NMNH); C, F, S. m. variegatus, coll. No. 173387/208-2002, Russia, Rostov Prov., Don River Delta, floodplain at mouth of Aksay River, Starodon'e Lake, 47°17.00′ N, 40°15.10′ E, 1 m a.s.l., 2 May 1997, G.B. Bakhtadze leg. (ZIN).

Fig. 7 in Distribution, systematics and nomenclature of the three taxa of Common Stonechats (Aves, Passeriformes, Muscicapidae, Saxicola) that breed in the Caucasian region

Fig. 7. Subadult females in spring plumage, ventral (A, B) and dorsal (C, D) view. A, C, Saxicola maurus armenicus, coll. No. 136211, Iraq, Wasit Governorate, Bagsaya ruins, 32°53.73′ N, 46°27.60′ E, 95 m a.s.l., 17 March 1914, P.V. Nesterov leg. (ZIN); B, D, Saxicola maurus variegatus, coll. No. 136212, the same locality, collector and collection, 16 March 1914.

Fig. 4 in Distribution, systematics and nomenclature of the three taxa of Common Stonechats (Aves, Passeriformes, Muscicapidae, Saxicola) that breed in the Caucasian region

Fig. 4. First year male of Saxicola rubicola rubicola in fresh autumnal plumage. Holotype of Saxicola torquata amaliae Buturlin, 1929. ZMMU, coll. No. R-13488, Russia, Republic Severnaya Osetiya – Alaniya, vicinity of Vladikavkaz, 42°59.99′ N, 44°38.53′ E, 750 m a.s.l., 13 Oct. 1919, L.B. Beme leg. Ventral (A) and dorsal (B) view.

Fig. 5 in Distribution, systematics and nomenclature of the three taxa of Common Stonechats (Aves, Passeriformes, Muscicapidae, Saxicola) that breed in the Caucasian region

Fig. 5. Females in fresh autumnal plumage, ventral (A, B) and dorsal (C, D) view. A, C, Saxicola maurus armenicus, coll. No. 136219, Iran, West Azerbaijan Prov., Vezne River valley, 36°34.51′ N, 45°10.80′ E, 1,400 m a.s.l., 18 July 1914, ad., P.V. Nesterov leg. (ZIN); B, D, Saxicola maurus variegatus, coll. No. R-97651, Russia, Krasnodar Terr., vicinity of Krasnodar, 45°16.60′ N, 38°05.39′ E, 3 m a.s.l., 10 Aug. 1973, 1-st year, A.M. Peklo leg. (ZMMU).

Fig. 3 in Distribution, systematics and nomenclature of the three taxa of Common Stonechats (Aves, Passeriformes, Muscicapidae, Saxicola) that breed in the Caucasian region

Fig. 3. Males in fresh autumnal plumage, ventral (A–C) and dorsal (D–F) view. A, D, Saxicola maurus armenicus, coll. No. 136248, Iran, West Azerbaijan Prov., Vezne River valley, 36°34.51′ N, 45°10.80′ E, 1,400 m a.s.l., 22 July 1914, ad., P.V. Nesterov leg. (ZIN); B–F, Saxicola maurus variegatus, Georgia, Kakhetiya, vicinity of Lagodekhi, 41°48.28′ N, 46°16.56′ E, 380 m a.s.l., L.A. Portenko leg. (ZIN): coll. No. 163316/425- 974, 19 Sept. 1953, ad. (B, E) and coll. No. 163315/425-974, 21 Sept. 1953, 1-st year (C, F).

Fig. 2 in Distribution, systematics and nomenclature of the three taxa of Common Stonechats (Aves, Passeriformes, Muscicapidae, Saxicola) that breed in the Caucasian region

Fig. 2. Birds in nesting plumage. A, Saxicola maurus armenicus, coll. No. 28126/108, Azerbaijan, Nakhichevan Autonomous Republic, Dzul'fa Distr., NW slopes of Ilan-Dag Mt., 39°08.78′ N, 45°40.47′ E, 1,160 m a.s.l., 12 June 1974, female, Yu.A. Volnenko leg. (NMNH); B, Saxicola maurus variegatus, coll. No. 137879, Russia, Kabardino-Balkar Republic, Prokhladnyy (= Prokhladnaya Vill.), 43°45.11′ N, 44°05.79′ E, 180 m a.s.l., 2 July 1883, male, K.N. Rossikov leg. (ZIN).

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Figs 1-3 in Nomenclatural notes on two species of Nicrophorus FABRICIUS (Coleoptera, Staphylinidae, Silphinae, Nicrophorini) named in a publication authored by Johann Dietrich Herschel

Figs 1-3: Historical labels and inventory records. (1) Label of the presumed holotype of Nicrophorus pustulatus from the former Hellwig-Hoffmansegg Collection, with the associated number referring to the third inventory in Fig. 3; (2) label associated with specimens of Necrodes surinamensis received at ZMUG with the Reussmann Collection in 1848; (3) records 7285-7290 in the third inventory of the historical MfNB Coleoptera collection. Images 1 and 3 by B. Jaeger (MfNB), image 2 by G. Heinemann (ZMUG).

FIGURE 4 in Global access to nomenclatural botanical resources: Evaluating open access availability

FIGURE 4 (a) Proportion of International Plant Names Index (IPNI) nomenclatural act records that are non-discoverable and (b) their ratio of open to closed access by World Geographic Scheme for Recording Plant Distributions (WGSRPD) level 2.

FIGURE 3 Bibliographic works containing vascular plant nomenclatural events published between 2019 and 2021 in Global access to nomenclatural botanical resources: Evaluating open access availability

FIGURE 3 Bibliographic works containing vascular plant nomenclatural events published between 2019 and 2021 and their use of open access (OA), coverage of top 80% of the International Plant Names Index (IPNI) dataset (journal abbreviations follow IPNI, asterisk indicates that the title is included in the Directory of Open Access Journals).

FIGURE 2 in Global access to nomenclatural botanical resources: Evaluating open access availability

FIGURE 2 Open access (a) takeup and (b) status for nomenclatural acts recorded in the International Plant Names Index per year of study (2012–2021).

FIGURE 1 in Global access to nomenclatural botanical resources: Evaluating open access availability

FIGURE 1 Flowchart depicting category assignment for (a) takeup of open access and (b) open access status.

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Fig. 1 in Typification and nomenclature of the western Indian Ocean islands ferns and lycophytes described in Linnaeus filius's Supplementum plantarum

Fig. 1. – Manuscript list in Linnaeus filius's hand dated 20 February 1780 associated with Thouin's numbering entitled "Plantae missae Sonneratii" including the seven new fern and two lycophyte species from the western Indian Ocean islands described by Linnaeus f. in Supplementum plantarum. [MS 2081, p. 23 front and back; © Muséum national d'Histoire naturelle, Bibliothèque centrale, Paris]

Fig. 3. – Page 152 in Typification and nomenclature of the ferns described in N.L. Burman's Flora Indica

Fig. 3. – Page 152 of Paul Hermann's herbarium from Ceylon in BIF-CEYL with the lectotype of Polypodium acutum Burm. f. (upper specimen) and original material of Polypodium palustre Burm. f. (lower specimen). [© Bibliothèque de l'Institut de France, Paris]

Fig. 1. – Plate 66 in Typification and nomenclature of the ferns described in N.L. Burman's Flora Indica

Fig. 1. – Plate 66 of Flora Indica (Burman, 1768) representing Ophioglossum pedatum Burm. f. (fig. 1), Polypodium trapezoides Burm. f. (fig. 2), P. radicans Burm. f. (fig. 3) and Adiantum truncatum Burm. f. (fig. 4). [© Conservatoire et Jardin botaniques de la Ville de Genève]

Fig. 6. – Page 41 in Typification and nomenclature of the ferns described in N.L. Burman's Flora Indica

Fig. 6. – Page 41 of Paul Hermann's herbarium from Ceylon in BIF-CEYL with original material of Polypodium scolopendria Burm. f. [© Bibliothèque de l'Institut de France, Paris]

Fig. 2 in Typification and nomenclature of the ferns described in N.L. Burman's Flora Indica

Fig. 2. – Original material of Blechnum indicum Burm. f., a Pryon collection from Java with the polynomial cited in the protologue representing Asplenium longissimum Blume in G-PREL.

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Fig. 2 in Typification and nomenclature of the western Indian Ocean islands ferns and lycophytes described in Linnaeus filius's Supplementum plantarum

Fig. 2. – Labels of original material of Acrostichum punctatum L. f. A. Lectotype in LINN-HS bearing in Thouin's hand the number "28" to which Linnaeus f. has added the epithet "punctatum" and "ny" (="new"); B. Isolectotype in MPU originating from Thouin's herbarium with, in Thouin's hand: "Con" for Commerson as collector and "Env. a m. Linn. S. le nº 28" [sent to Linnaeus under nº 28]. [A: LINN-HS nº 1622.27; © Linnean Society of London; B: MPU1054971; © Université de Montpellier – Herbier MPU (SPH)]

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Fig. 1 in Nomenclatural notes on Malagasy Syzygium Gaertn. (Myrtaceae)

Fig. 1. – Sheet bearing the holotype (specimen on the right) of Eugenia tanalensis Baker at K [K000771833], with the handwritten label "295 Eugenia Tanala: forest, Central Madagascar Coll. Barson recd 2/81" visible in the lower right. [© Royal Botanic Gardens, Kew]