geniculata (Caryophyllaceae) Softly hairy plant/flowers axillary/flowers 5-8 mm/fields-rocky coastlines-road sides/Apr-May
Saponaria officinalis Soapwort (Caryophyllaceae) Annual plant/leaves acutely ovate/ flower with 2 styles or stigmas/calyx without veins/calyx smooth and tubular/June-Sep
Silene almolae (Caryophyllaceae) Hairy annual/stem with glandular hairs/flowers in groups of 1-3/calyx 12-18 mm/3 styles
Silene apetala (Caryophyllaceae) Hairy annual/lower leaves narrowly lanceolate, upper leaves linear-lanceolate/3 styles/calyx 7-10 mm/petals hidden in calyx or missing/fieldsroad sides/Feb-Mar
Silene bellidifolia (Caryophyllaceae) Hairy annual/flowers in groups/petals divided/ flowers in dense inflorescences/flowers with long stalks
Silene cerastoides (Caryophyllaceae) Hairy annual/petals lobed/calyx opening contracted/ calyx 8-11 mm/calyx with veins/rocky coastlines-calcareous fields-beaches/Mar-May
Silene colorata (Caryophyllaceae) Hairy annual/leaves spatulate to linear/petals deeply divided/flowers solitary/3 styles/calyx < 13 mm/calyx with veins/ fields-beaches-road sides/May
Silene gallica Small-flowered Catchfly (Caryophyllaceae) Hairy annual/leaves oblong spatulate/flowers 7-14 mm/calyx < 3 mm/calyx with veins/3 styles/fields-road sides/ Apr-June
Silene hifacensis* (Caryophyllaceae) Hairy plant/calyx with 10 veins/rock crevices/Ibiza/ Apr-June
Silene muscipula (Caryophyllaceae) Annual/leaves lanceolate/flowers with short stalks/ flowers in groups/calyx 13-17 mm/3 styles
Silene nicaeensis (Caryophyllaceae) Sticky, hairy annual/petals deeply divided/flowers in groups of 2-8/calyx < 13 mm/calyx with veins/3 styles/May
Silene pseudatocion* (Caryophyllaceae) Hairy annual/flowers in groups of > 3/flowers in inflorescences/calyx 13-20 mm/calyx with glandular hairs/3 styles/Apr-June
Silene rubella (Caryophyllaceae) Hairy annual/petals not divided/calyx opening not contracted/calyx 7-11 mm/calyx with veins/3 styles/fields-road sides/May-June
Silene secundiflora (Caryophyllaceae) Annual/flowers 7-8 mm/calyx 13-17 mm/calyx with 5-10 veins/3 styles/rocky coastlines-calcareous fields-beaches/Apr-June
Silene sericea (Caryophyllaceae) Hairy annual/3 styles/calyx 12-20 mm/flowers solitary or rarely in groups of 2-3
Silene tridentata (Caryophyllaceae) Hairy annual/upper leaves lanceolate, lower leaves obovate/flowers sessile/calyx 11-14 mm/petals entire or lobed/3 styles/Ibiza
Spergularia bocconei Greek Sea-spurrey (Caryophyllaceae) Plant with stipules/leaves with terminal bristle/petals < sepals/sepals 2-4 mm/fields-rocky coastlines-marshlandroad sides/Dec-June
Spergularia marina (Caryophyllaceae) Plant with stipules/leaves linear and succulent/ flowers 3-6 mm/sepals 2-4 mm/Apr-May
Spergularia media (Caryophyllaceae) Plant with stipules/leaves succulent/flowers 9-12 mm/sepals 4-6 mm/7-10 stamens/rocky coastlines-marshland-salt meadows/Apr-June
Teucrium marum* Cat Thyme (Lamiaceae) Grey dwarf shrub/stem white wooly/leaves linear-lanceolate/flowers 10-12 mm/flower without upper lip and with 4 stamens/rocky coastlines-garigues-pine forests/Apr-Oct
Thymus richardii* (Lamiaceae) Dwarf shrub/flower 7-9 mm/calyx with 10-13 veins/rock crevices-shady slopes/Ibiza/June-July
Vaccaria hispanica Cow Basil (Caryophyllaceae) Annual/leaves oblong-lanceolate to ovate-lanceolate/flowers 8-16 mm/calyx with 5 wings/2 styles or stigmas/fields-road sides/Feb-July
Grey-leaved Cistus Cistus albidus (Cistaceae)
| Flowers small | |
| 1A-Aquatic plant | Elatine hydropiper |
| 1B-Land plant | |
| 2A-Leaves fleshy | Lythrum portula |
| 2B-Leaves not so | Elatine macropoda |
| 2-4 petals | |
| 1A-Leaves with stalks | Elatine hydropiper |
| 5 petals | |
| 1A-Leaves with stalks | |
| 2A-Herb/flowers 25-35mm | Mirabilis jalapa |
| 2B-Plants woody below/flowers 6-8 mm | Vincetoxicum nigrum |
| 2C-Shrub/flowers 40-60 mm | Cistus creticus |
| 1B-Leaves sessile | |
| 2A-Petals of the flower fused | |
| 3A-Stem 4-angled/flowers 4-7 mm | Anagallis arvensis (9) |
| 3B-Stem round/flowers 12-14 mm | |
| 4A-Flowers solitary | Centaurium spicatum |
| 4B-Flowers in groups/Apr-May | Centaurium tenuiflorum |
| 2B-Petals of the flower separated | |
| 3A-Sepals fused | |
| 4A-Petal margin toothed | Dianthus rupicola* |
| 4B-Petal margin entire | |
| 5A-Plants woody below | Silene hifacensis* |
| 5B-Plants not woody below | |
| 6A-Sepals > petals | Agrostemma githago (p. 46) |
| 6B-Calyx < 11 mm | Silene rubella |
| 6C-Calyx 10-25 mm | Silene cambessedesii* |
| 3B-Sepals not so | |
| 4A-Herb | |
| 5A-Plants woody below | Spergularia fimbriata |
| 5B-Plants not woody below | |
| 6A-Inflorescence without bracts | Spergularia diandra |
| 6B-Inflorescence with bracts | |
| 7A-Seeds black | Spergularia heldreichii |
| 7B-Seeds brown | Spergularia rubra |
| 4B-Shrub | |
| 5A-Plants with hairs/flowers 4-6 cm | Cistus albidus (p. 30) |
| 5B-Plants without hairs/flowers small | Coriaria myrtifolia |
Agrostemma githago Corn Cockle (Caryophyllaceae) Grey hairy annual/leaves linearlanceolate/flowers 3-5 cm/5 styles/fields-road sides/May
Anagallis arvensis Scarlet Pimpernel (Primulaceae) Annual/stem 4-angled/leaves obovate/flowers 4-7 mm/5 stamens/fields-road sides/Apr-May
Centaurium spicatum Spiked Centaury (Gentianaceae) Annual/leaves ovate below, elliptical above/flowers 12-14 mm/June-Oct
Centaurium tenuiflorum Slender Centaury (Gentianaceae) Annual/leaves broadly ovate below, elliptical-oblong above/flower 12-14 mm/fields-marshland-beaches/Apr-May
Cistus albidus Grey-leaved Cistus (Cistaceae) Greyhwhite hairy shrub/leaves ovate to elliptical/flowers 4-6 cm/flower stalk 5-20 mm/many stamens/garigues-pine forest/Apr-June
Cistus
