Table 1 Occurrence sites of Poterium spinosum across Sicily, their names and geographical information (see Fig. 1 for the spatial distribution of these sites).

From: Intrapopulation germinability may help the Mediterranean plant species Poterium spinosum L. to cope with climate changes and landscape fragmentation

Location number

Location name

Municipality districts

Coordinates

Altitude (m asl)

1

Contrada Cavarra (Capo Passero)

Porto Palo

36°40ʹN–15°06ʹE

2

2

Near Port of Portopalo

Porto Palo

36°40ʹN–15°07ʹE

7

3

Pizzuta beach

Porto Palo

36°40ʹN–15°08ʹE

11

4

Capo Passero Island

Porto Palo

36°41ʹN–15°08ʹE

0

5

Portopalo coast

Porto Palo

36°41ʹN–15°08ʹE

35

6

Portopalo coast

Porto Palo

36°41ʹN–15°07ʹE

40

7

Pantano Morghella

Pachino

36°42ʹN–15°07ʹE

10

8

Near Pantano Morghella

Pachino

36°43ʹN–15°06ʹE

22

9

Marina di Marzamemi

Pachino

36°43ʹN–15°07ʹE

2

10

Pantano di Marzamemi

Pachino

36°44ʹN–15°06ʹE

1

11

Cittadella dei Maccari

Noto

36°46ʹN–15°05ʹE

6

12

Near Cittadella beach

Noto

36°46ʹN–15°05ʹE

5

13

Vendicari Island

Noto

36°47ʹN–15°06ʹE

0

14

Roveto

Noto

36°48ʹN–15°05ʹE

22

15

Pantano Grande

Noto

36°48ʹN–15°06ʹE

0

16

Between Pantano Grande and Pantano Piccolo

Noto

36°48ʹN–15°06ʹE

3

17

Pantano Piccolo

Noto

36°48ʹN–15°06ʹE

6

18

West of Pantano Piccolo

Noto

36°48ʹN–15°06ʹE

9

19

North of Pantano Piccolo

Noto

36°48ʹN–15°06ʹE

6

20

North-West of Pantano Piccolo

Noto

36°48ʹN–15°06ʹE

5

21

Near the entrance of Calamosche beach

Noto

36°49ʹN–15°06ʹE

18

22

Balsamo

Noto

36°49ʹN–15°06ʹE

6

23

Fondo Mosche

Noto

36°49ʹN–15°05ʹE

20

24

Near Calamosche beach

Noto

36°49ʹN–15°06ʹE

12

25

Calamosche

Noto

36°49ʹN–15°06ʹE

13

26

Calamosche beach

Noto

36°49ʹN–15°06ʹE

15

27

Latomie di Vendicari

Noto

36°49ʹN–15°06ʹE

25

28

Poggio Arena (near the coast)

Noto

36°49ʹN–15°06ʹE

20

29

Poggio Arena

Noto

36°49ʹN–15°06ʹE

32

30

Poggio Arena

Noto

36°49ʹN–15°06ʹE

12

31

Marianelli (near fields)

Noto

36°49ʹN–15°06ʹE

5

32

Marianelli

Noto

36°50ʹN–15°06ʹE

4

33

Marianelli (near beach)

Noto

36°50ʹN–15°06ʹE

6

34

Marianelli beach

Noto

36°50ʹN–15°06ʹE

5

35

Eloro di Marina di Noto

Noto

36°50ʹN–15°06ʹE

12

36

Contrada La Rocca

Siracusa

37°02ʹN–15°17ʹE

12

37

Near contrada La Rocca

Siracusa

37°02ʹN–15°18ʹE

14

38

Near contrada SantʹAgostino

Siracusa

37°02ʹN–15°18ʹE

18

39

Massolivieri

Siracusa

37°01ʹN–15°18ʹE

13

40

Massolivieri

Siracusa

37°02ʹN–15°18ʹE

10

41

Massolivieri

Siracusa

37°01ʹN–15°18ʹE

11

42

Massolivieri

Siracusa

37°01ʹN–15°19ʹE

19

43

Between Infalletta and Punta del Gigante

Siracusa

37°01ʹN–15°19ʹE

30

44

Near Punta del Gigante

Siracusa

37°01ʹN–15°19ʹE

20

45

Near Scoglio dellʹElefante

Siracusa

37°00ʹN–15°19ʹE

16

46

Scoglio dellʹElefante

Siracusa

37°00ʹN–15°19ʹE

15

47

Capo Murro di Porco

Siracusa

37°00ʹN–15°20ʹE

17

48

Capo Murro di Porco

Siracusa

37°00ʹN–15°19ʹE

15

49

Costa Bianca del Plemmirio

Siracusa

37°00ʹN–15°19ʹE

20

50

Costa bianca del Plemmirio

Siracusa

37°00ʹN–15°19ʹE

15

51

Near Masseria del Capo

Siracusa

37°00ʹN–15°19ʹE

23

52

Monte Renna

Noto

36°53ʹN–14°58ʹE

260

53

Contrada Olivella

Noto

36°59ʹN–15°05ʹE

430

54

Grotta Monello

Siracusa

37°01ʹN–15°09ʹE

150

55

Cavadonna

Siracusa

37°01ʹN–15°08ʹE

160

56

Near Canicattini Bagni

Canicattini Bagni

37°02ʹN–15°02ʹE

360

57

Near Buscemi

Buscemi

37°05ʹN–14°54ʹE

580

58

Near Cugni Sortino

Sortino

37°08ʹN–14°57ʹE

470

59

Case SantʹAndrea

Buccheri

37°09ʹN–14°54ʹE

450

60

Bosco Pisano

Buccheri

37°10ʹN–14°51ʹE

500

61

Contrada Civanna

Melilli

37°12ʹN–15°03ʹE

330

62

Cozzo Ogliastro

Melilli

37°13ʹN–15°06ʹE

145

63

Cozzo Ogliastro

Melilli

37°12ʹN–15°05ʹE

350

64

Monti Climiti

Priolo Gargallo

37°08ʹN–15°08ʹE

340